344757664 has 12 divisors (see below), whose sum is σ = 678741714. Its totient is φ = 172378816.

The previous prime is 344757661. The next prime is 344757667. The reversal of 344757664 is 466757443.

It is an interprime number because it is at equal distance from previous prime (344757661) and next prime (344757667).

It can be written as a sum of positive squares in only one way, i.e., 265690000 + 79067664 = 16300^2 + 8892^2 .

It is not an unprimeable number, because it can be changed into a prime (344757661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5386807 + ... + 5386870.

Almost surely, 2^344757664 is an apocalyptic number.

It is an amenable number.

344757664 is a deficient number, since it is larger than the sum of its proper divisors (333984050).

344757664 is a wasteful number, since it uses less digits than its factorization.

344757664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10773687 (or 10773679 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 46.

The square root of 344757664 is about 18567.6510092149. The cubic root of 344757664 is about 701.1936531990.

The spelling of 344757664 in words is "three hundred forty-four million, seven hundred fifty-seven thousand, six hundred sixty-four".