89638516 has 24 divisors (see below), whose sum is σ = 171815616. Its totient is φ = 40581120.

The previous prime is 89638511. The next prime is 89638517. The reversal of 89638516 is 61583698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89638511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7345 + ... + 15271.

It is an arithmetic number, because the mean of its divisors is an integer number (7158984).

Almost surely, 2^89638516 is an apocalyptic number.

It is an amenable number.

89638516 is a deficient number, since it is larger than the sum of its proper divisors (82177100).

89638516 is a wasteful number, since it uses less digits than its factorization.

89638516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8199 (or 8197 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 89638516 is about 9467.7619319457. The cubic root of 89638516 is about 447.5396858368.

The spelling of 89638516 in words is "eighty-nine million, six hundred thirty-eight thousand, five hundred sixteen".