652619904 has 64 divisors (see below), whose sum is σ = 1824780000. Its totient is φ = 206088192.

The previous prime is 652619897. The next prime is 652619909. The reversal of 652619904 is 409916256.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (652619909) 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 in 7 ways as a sum of consecutive naturals, for example, 37429 + ... + 52020.

Almost surely, 2^652619904 is an apocalyptic number.

652619904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

652619904 is an abundant number, since it is smaller than the sum of its proper divisors (1172160096).

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

652619904 is a wasteful number, since it uses less digits than its factorization.

652619904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89485 (or 89473 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 652619904 is about 25546.4264428511. The cubic root of 652619904 is about 867.4013725155.

The spelling of 652619904 in words is "six hundred fifty-two million, six hundred nineteen thousand, nine hundred four".