855890308 has 24 divisors (see below), whose sum is σ = 1843456832. Its totient is φ = 338593824.

The previous prime is 855890297. The next prime is 855890323. The reversal of 855890308 is 803098558.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175310 + ... + 1176037.

Almost surely, 2^855890308 is an apocalyptic number.

It is an amenable number.

855890308 is an abundant number, since it is smaller than the sum of its proper divisors (987566524).

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

855890308 is a wasteful number, since it uses less digits than its factorization.

855890308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351371 (or 2351369 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 855890308 is about 29255.6030189090. The cubic root of 855890308 is about 949.4513204709.

The spelling of 855890308 in words is "eight hundred fifty-five million, eight hundred ninety thousand, three hundred eight".