989512 has 16 divisors (see below), whose sum is σ = 1868400. Its totient is φ = 491280.

The previous prime is 989507. The next prime is 989533. The reversal of 989512 is 215989.

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, 1087 + ... + 1777.

It is an arithmetic number, because the mean of its divisors is an integer number (116775).

2⁹⁸⁹⁵¹² is an apocalyptic number.

It is an amenable number.

989512 is a deficient number, since it is larger than the sum of its proper divisors (878888).

989512 is a wasteful number, since it uses less digits than its factorization.

989512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 872 counting only the distinct ones).

The product of its digits is 6480, while the sum is 34.

The square root of 989512 is about 994.7421776521. The cubic root of 989512 is about 99.6491706269.

The spelling of 989512 in words is "nine hundred eighty-nine thousand, five hundred twelve".