346420656 has 60 divisors (see below), whose sum is σ = 971446008. Its totient is φ = 115241472.

The previous prime is 346420643. The next prime is 346420661. The reversal of 346420656 is 656024643.

346420656 is a `hidden beast` number, since 3 + 4 + 642 + 0 + 6 + 5 + 6 = 666.

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 346420656.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78936 + ... + 83208.

Almost surely, 2^346420656 is an apocalyptic number.

346420656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

346420656 is an abundant number, since it is smaller than the sum of its proper divisors (625025352).

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

346420656 is a wasteful number, since it uses less digits than its factorization.

346420656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850 (or 4841 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 346420656 is about 18612.3791063905. The cubic root of 346420656 is about 702.3192839865.

The spelling of 346420656 in words is "three hundred forty-six million, four hundred twenty thousand, six hundred fifty-six".