603664864 has 24 divisors (see below), whose sum is σ = 1296508248. Its totient is φ = 274392960.

The previous prime is 603664861. The next prime is 603664889. The reversal of 603664864 is 468466306.

It is a super-2 number, since 2×603664864² = 728822536056276992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 603664864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (603664861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857127 + ... + 857830.

It is an arithmetic number, because the mean of its divisors is an integer number (54021177).

Almost surely, 2^603664864 is an apocalyptic number.

It is an amenable number.

603664864 is an abundant number, since it is smaller than the sum of its proper divisors (692843384).

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

603664864 is a wasteful number, since it uses less digits than its factorization.

603664864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714978 (or 1714970 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 603664864 is about 24569.5922636091. The cubic root of 603664864 is about 845.1464396134.

The spelling of 603664864 in words is "six hundred three million, six hundred sixty-four thousand, eight hundred sixty-four".