858704604 has 12 divisors (see below), whose sum is σ = 2003644104. Its totient is φ = 286234864.

The previous prime is 858704599. The next prime is 858704611. The reversal of 858704604 is 406407858.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35779347 + ... + 35779370.

It is an arithmetic number, because the mean of its divisors is an integer number (166970342).

Almost surely, 2^858704604 is an apocalyptic number.

It is an amenable number.

858704604 is an abundant number, since it is smaller than the sum of its proper divisors (1144939500).

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

858704604 is a wasteful number, since it uses less digits than its factorization.

858704604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71558724 (or 71558722 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 858704604 is about 29303.6619554622. The cubic root of 858704604 is about 950.4908281742.

The spelling of 858704604 in words is "eight hundred fifty-eight million, seven hundred four thousand, six hundred four".