99089644 has 12 divisors (see below), whose sum is σ = 173479600. Its totient is φ = 49524048.

The previous prime is 99089623. The next prime is 99089687. The reversal of 99089644 is 44698099.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11497 + ... + 18175.

Almost surely, 2^99089644 is an apocalyptic number.

It is an amenable number.

99089644 is a deficient number, since it is larger than the sum of its proper divisors (74389956).

99089644 is a wasteful number, since it uses less digits than its factorization.

99089644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10392 (or 10390 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 99089644 is about 9954.3781322592. The cubic root of 99089644 is about 462.7460880783.

The spelling of 99089644 in words is "ninety-nine million, eighty-nine thousand, six hundred forty-four".