344207664 has 40 divisors (see below), whose sum is σ = 988004720. Its totient is φ = 114735744.

The previous prime is 344207639. The next prime is 344207683. The reversal of 344207664 is 466702443.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397957 + ... + 398820.

It is an arithmetic number, because the mean of its divisors is an integer number (24700118).

Almost surely, 2^344207664 is an apocalyptic number.

It is an amenable number.

344207664 is an abundant number, since it is smaller than the sum of its proper divisors (643797056).

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

344207664 is a wasteful number, since it uses less digits than its factorization.

344207664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796794 (or 796782 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 344207664 is about 18552.8343926204. The cubic root of 344207664 is about 700.8205778345.

The spelling of 344207664 in words is "three hundred forty-four million, two hundred seven thousand, six hundred sixty-four".