89402481 has 32 divisors (see below), whose sum is σ = 156262400. Its totient is φ = 49435920.

The previous prime is 89402479. The next prime is 89402497. The reversal of 89402481 is 18420498.

It is not a de Polignac number, because 89402481 - 2¹ = 89402479 is a prime.

It is a super-2 number, since 2×89402481² = 15985607217910722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (89402431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1771 + ... + 13488.

It is an arithmetic number, because the mean of its divisors is an integer number (4883200).

Almost surely, 2^89402481 is an apocalyptic number.

It is an amenable number.

89402481 is a deficient number, since it is larger than the sum of its proper divisors (66859919).

89402481 is a wasteful number, since it uses less digits than its factorization.

89402481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15306 (or 15300 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 89402481 is about 9455.2885201881. The cubic root of 89402481 is about 447.1465219407.

The spelling of 89402481 in words is "eighty-nine million, four hundred two thousand, four hundred eighty-one".