89492490 has 48 divisors (see below), whose sum is σ = 236509416. Its totient is φ = 23472000.

The previous prime is 89492467. The next prime is 89492531. The reversal of 89492490 is 9429498.

It can be written as a sum of positive squares in 4 ways, for example, as 62773929 + 26718561 = 7923^2 + 5169^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2661 + ... + 13640.

Almost surely, 2^89492490 is an apocalyptic number.

89492490 is an abundant number, since it is smaller than the sum of its proper divisors (147016926).

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

89492490 is a wasteful number, since it uses less digits than its factorization.

89492490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16375 (or 16372 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 89492490 is about 9460.0470400522. The cubic root of 89492490 is about 447.2965316185.

The spelling of 89492490 in words is "eighty-nine million, four hundred ninety-two thousand, four hundred ninety".