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3386421 = 33125423
BaseRepresentation
bin1100111010110000110101
320101001022000
430322300311
51331331141
6200325513
740532643
oct14726065
96331260
103386421
111a032a5
121173899
139174cc
14642193
1546d5b6
hex33ac35

3386421 has 8 divisors (see below), whose sum is σ = 5016960. Its totient is φ = 2257596.

The previous prime is 3386419. The next prime is 3386431. The reversal of 3386421 is 1246833.

It is a happy number.

It is not a de Polignac number, because 3386421 - 21 = 3386419 is a prime.

It is a super-2 number, since 2×33864212 = 22935694378482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 125423 = 3386421 / (3 + 3 + 8 + 6 + 4 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3386431) 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, 62685 + ... + 62738.

It is an arithmetic number, because the mean of its divisors is an integer number (627120).

Almost surely, 23386421 is an apocalyptic number.

It is an amenable number.

3386421 is a deficient number, since it is larger than the sum of its proper divisors (1630539).

3386421 is a wasteful number, since it uses less digits than its factorization.

3386421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125432 (or 125426 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 3386421 is about 1840.2230843026. The cubic root of 3386421 is about 150.1690095004.

The spelling of 3386421 in words is "three million, three hundred eighty-six thousand, four hundred twenty-one".

Divisors: 1 3 9 27 125423 376269 1128807 3386421