604686864 has 20 divisors (see below), whose sum is σ = 1562107856. Its totient is φ = 201562272.

The previous prime is 604686779. The next prime is 604686869. The reversal of 604686864 is 468686406.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 12597643 = 604686864 / (6 + 0 + 4 + 6 + 8 + 6 + 8 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (604686869) 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, 6298774 + ... + 6298869.

Almost surely, 2^604686864 is an apocalyptic number.

It is an amenable number.

604686864 is an abundant number, since it is smaller than the sum of its proper divisors (957420992).

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

604686864 is a wasteful number, since it uses less digits than its factorization.

604686864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12597654 (or 12597648 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The square root of 604686864 is about 24590.3815342503. The cubic root of 604686864 is about 845.6231128670.

It can be divided in two parts, 604686 and 864, that added together give a triangular number (605550 = T₁₁₀₀).

The spelling of 604686864 in words is "six hundred four million, six hundred eighty-six thousand, eight hundred sixty-four".