985425090 has 64 divisors (see below), whose sum is σ = 2550151296. Its totient is φ = 242260992.

The previous prime is 985425047. The next prime is 985425121. The reversal of 985425090 is 90524589.

985425090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604857 + ... + 606483.

It is an arithmetic number, because the mean of its divisors is an integer number (39846114).

Almost surely, 2^985425090 is an apocalyptic number.

985425090 is an abundant number, since it is smaller than the sum of its proper divisors (1564726206).

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

985425090 is a wasteful number, since it uses less digits than its factorization.

985425090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 985425090 is about 31391.4811692599. The cubic root of 985425090 is about 995.1179005598.

The spelling of 985425090 in words is "nine hundred eighty-five million, four hundred twenty-five thousand, ninety".