890287692 has 48 divisors (see below), whose sum is σ = 2409550080. Its totient is φ = 250569792.

The previous prime is 890287681. The next prime is 890287751. The reversal of 890287692 is 296782098.

It is a happy number.

It is a super-2 number, since 2×890287692² = 1585224349053373728, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 73467 + ... + 84722.

It is an arithmetic number, because the mean of its divisors is an integer number (50198960).

Almost surely, 2^890287692 is an apocalyptic number.

It is an amenable number.

890287692 is an abundant number, since it is smaller than the sum of its proper divisors (1519262388).

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

890287692 is a wasteful number, since it uses less digits than its factorization.

890287692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158270 (or 158268 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 890287692 is about 29837.6891196353. The cubic root of 890287692 is about 962.0038050054.

The spelling of 890287692 in words is "eight hundred ninety million, two hundred eighty-seven thousand, six hundred ninety-two".