3457656 has 24 divisors (see below), whose sum is σ = 9364680. Its totient is φ = 1152528.

The previous prime is 3457651. The next prime is 3457703. The reversal of 3457656 is 6567543.

3457656 is a `hidden beast` number, since 34 + 576 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3457656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3457651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23940 + ... + 24083.

It is an arithmetic number, because the mean of its divisors is an integer number (390195).

Almost surely, 2^3457656 is an apocalyptic number.

3457656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3457656 is an abundant number, since it is smaller than the sum of its proper divisors (5907024).

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

3457656 is a wasteful number, since it uses less digits than its factorization.

3457656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48035 (or 48028 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 3457656 is about 1859.4773459228. The cubic root of 3457656 is about 151.2146706182.

It can be divided in two parts, 345 and 7656, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 3457656 in words is "three million, four hundred fifty-seven thousand, six hundred fifty-six".