854890988 has 12 divisors (see below), whose sum is σ = 1709782032. Its totient is φ = 366381840.

The previous prime is 854890969. The next prime is 854891021. The reversal of 854890988 is 889098458.

854890988 is an admirable number.

It is a super-2 number, since 2×854890988² = 1461677202727232288, which contains 22 as substring.

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, 15265883 + ... + 15265938.

It is an arithmetic number, because the mean of its divisors is an integer number (142481836).

Almost surely, 2^854890988 is an apocalyptic number.

It is an amenable number.

854890988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

854890988 is a wasteful number, since it uses less digits than its factorization.

854890988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30531832 (or 30531830 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 59.

The square root of 854890988 is about 29238.5189091377. The cubic root of 854890988 is about 949.0816565887.

The spelling of 854890988 in words is "eight hundred fifty-four million, eight hundred ninety thousand, nine hundred eighty-eight".