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3404420 = 2251721931
BaseRepresentation
bin1100111111001010000100
320101221222122
430333022010
51332420140
6200545112
740636265
oct14771204
96357878
103404420
111a15878
121182198
13922766
1464896c
15473ab5
hex33f284

3404420 has 72 divisors (see below), whose sum is σ = 8252160. Its totient is φ = 1175040.

The previous prime is 3404399. The next prime is 3404431. The reversal of 3404420 is 244043.

3404420 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109805 + ... + 109835.

Almost surely, 23404420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3404420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4126080).

3404420 is an abundant number, since it is smaller than the sum of its proper divisors (4847740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3404420 is a wasteful number, since it uses less digits than its factorization.

3404420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 3404420 is about 1845.1070429653. The cubic root of 3404420 is about 150.4345915040.

Adding to 3404420 its reverse (244043), we get a palindrome (3648463).

The spelling of 3404420 in words is "three million, four hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 19 20 31 34 38 62 68 76 85 95 124 155 170 190 289 310 323 340 380 527 578 589 620 646 1054 1156 1178 1292 1445 1615 2108 2356 2635 2890 2945 3230 5270 5491 5780 5890 6460 8959 10013 10540 10982 11780 17918 20026 21964 27455 35836 40052 44795 50065 54910 89590 100130 109820 170221 179180 200260 340442 680884 851105 1702210 3404420