890550988 has 12 divisors (see below), whose sum is σ = 1563477552. Its totient is φ = 443843120.

The previous prime is 890550979. The next prime is 890551021. The reversal of 890550988 is 889055098.

It is a happy number.

890550988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×890550988² = 1586162124455552288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356695 + ... + 359182.

It is an arithmetic number, because the mean of its divisors is an integer number (130289796).

Almost surely, 2^890550988 is an apocalyptic number.

It is an amenable number.

890550988 is a deficient number, since it is larger than the sum of its proper divisors (672926564).

890550988 is a wasteful number, since it uses less digits than its factorization.

890550988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716192 (or 716190 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 52.

The square root of 890550988 is about 29842.1009314023. The cubic root of 890550988 is about 962.0986308280.

The spelling of 890550988 in words is "eight hundred ninety million, five hundred fifty thousand, nine hundred eighty-eight".