89291812 has 24 divisors (see below), whose sum is σ = 162408960. Its totient is φ = 42903840.

The previous prime is 89291789. The next prime is 89291843. The reversal of 89291812 is 21819298.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24637 + ... + 28027.

It is an arithmetic number, because the mean of its divisors is an integer number (6767040).

Almost surely, 2^89291812 is an apocalyptic number.

It is an amenable number.

89291812 is a deficient number, since it is larger than the sum of its proper divisors (73117148).

89291812 is a wasteful number, since it uses less digits than its factorization.

89291812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651 (or 3649 counting only the distinct ones).

The product of its digits is 20736, while the sum is 40.

The square root of 89291812 is about 9449.4344804332. The cubic root of 89291812 is about 446.9619420843.

The spelling of 89291812 in words is "eighty-nine million, two hundred ninety-one thousand, eight hundred twelve".