344320656 has 20 divisors (see below), whose sum is σ = 889495152. Its totient is φ = 114773536.

The previous prime is 344320621. The next prime is 344320667. The reversal of 344320656 is 656023443.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3586626 + ... + 3586721.

Almost surely, 2^344320656 is an apocalyptic number.

It is an amenable number.

344320656 is an abundant number, since it is smaller than the sum of its proper divisors (545174496).

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

344320656 is a wasteful number, since it uses less digits than its factorization.

344320656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173358 (or 7173352 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 344320656 is about 18555.8792839359. The cubic root of 344320656 is about 700.8972548561.

The spelling of 344320656 in words is "three hundred forty-four million, three hundred twenty thousand, six hundred fifty-six".