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3404861 = 29137857
BaseRepresentation
bin1100111111010000111101
320101222120222
430333100331
51332423421
6200551125
740640465
oct14772075
96358528
103404861
111a16139
1211824a5
13922a15
14648ba5
15473cab
hex33f43d

3404861 has 8 divisors (see below), whose sum is σ = 3552120. Its totient is φ = 3259648.

The previous prime is 3404839. The next prime is 3404867. The reversal of 3404861 is 1684043.

It can be written as a sum of positive squares in 4 ways, for example, as 1428025 + 1976836 = 1195^2 + 1406^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3404861 - 214 = 3388477 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3404861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3404867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3545 + ... + 4401.

It is an arithmetic number, because the mean of its divisors is an integer number (444015).

Almost surely, 23404861 is an apocalyptic number.

It is an amenable number.

3404861 is a deficient number, since it is larger than the sum of its proper divisors (147259).

3404861 is a wasteful number, since it uses less digits than its factorization.

3404861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 3404861 is about 1845.2265443571. The cubic root of 3404861 is about 150.4410868630.

The spelling of 3404861 in words is "three million, four hundred four thousand, eight hundred sixty-one".

Divisors: 1 29 137 857 3973 24853 117409 3404861