604872665 has 12 divisors (see below), whose sum is σ = 771057516. Its totient is φ = 455432448.

The previous prime is 604872659. The next prime is 604872677. The reversal of 604872665 is 566278406.

It can be written as a sum of positive squares in 6 ways, for example, as 98982601 + 505890064 = 9949^2 + 22492^2 .

It is not a de Polignac number, because 604872665 - 2⁴ = 604872649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207854 + ... + 210743.

It is an arithmetic number, because the mean of its divisors is an integer number (64254793).

Almost surely, 2^604872665 is an apocalyptic number.

It is an amenable number.

604872665 is a deficient number, since it is larger than the sum of its proper divisors (166184851).

604872665 is a wasteful number, since it uses less digits than its factorization.

604872665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418636 (or 418619 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 604872665 is about 24594.1591643219. The cubic root of 604872665 is about 845.7097150075.

The spelling of 604872665 in words is "six hundred four million, eight hundred seventy-two thousand, six hundred sixty-five".