89939028 has 12 divisors (see below), whose sum is σ = 209857760. Its totient is φ = 29979672.

The previous prime is 89939011. The next prime is 89939041. The reversal of 89939028 is 82093998.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3747448 + ... + 3747471.

Almost surely, 2^89939028 is an apocalyptic number.

It is an amenable number.

89939028 is an abundant number, since it is smaller than the sum of its proper divisors (119918732).

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

89939028 is a wasteful number, since it uses less digits than its factorization.

89939028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7494926 (or 7494924 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 89939028 is about 9483.6189295015. The cubic root of 89939028 is about 448.0392517160.

The spelling of 89939028 in words is "eighty-nine million, nine hundred thirty-nine thousand, twenty-eight".