855604608 has 32 divisors (see below), whose sum is σ = 2272700760. Its totient is φ = 285201408.

The previous prime is 855604601. The next prime is 855604639. The reversal of 855604608 is 806406558.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 855604608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855604601) 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, 1113685 + ... + 1114452.

Almost surely, 2^855604608 is an apocalyptic number.

It is an amenable number.

855604608 is an abundant number, since it is smaller than the sum of its proper divisors (1417096152).

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

855604608 is a wasteful number, since it uses less digits than its factorization.

855604608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228154 (or 2228142 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 855604608 is about 29250.7197860155. The cubic root of 855604608 is about 949.3456650196.

The spelling of 855604608 in words is "eight hundred fifty-five million, six hundred four thousand, six hundred eight".