89814492 has 18 divisors (see below), whose sum is σ = 227031168. Its totient is φ = 29938152.

The previous prime is 89814481. The next prime is 89814493. The reversal of 89814492 is 29441898.

89814492 is a `hidden beast` number, since 89 + 81 + 4 + 492 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89814493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1247388 + ... + 1247459.

Almost surely, 2^89814492 is an apocalyptic number.

It is an amenable number.

89814492 is an abundant number, since it is smaller than the sum of its proper divisors (137216676).

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

89814492 is a wasteful number, since it uses less digits than its factorization.

89814492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494857 (or 2494852 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 89814492 is about 9477.0508070813. The cubic root of 89814492 is about 447.8323604816.

The spelling of 89814492 in words is "eighty-nine million, eight hundred fourteen thousand, four hundred ninety-two".