89042812 has 12 divisors (see below), whose sum is σ = 157368456. Its totient is φ = 44080400.

The previous prime is 89042801. The next prime is 89042851. The reversal of 89042812 is 21824098.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109798 + ... + 110605.

It is an arithmetic number, because the mean of its divisors is an integer number (13114038).

Almost surely, 2^89042812 is an apocalyptic number.

It is an amenable number.

89042812 is a deficient number, since it is larger than the sum of its proper divisors (68325644).

89042812 is a wasteful number, since it uses less digits than its factorization.

89042812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220508 (or 220506 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 89042812 is about 9436.2498907140. The cubic root of 89042812 is about 446.5460878454.

The spelling of 89042812 in words is "eighty-nine million, forty-two thousand, eight hundred twelve".