89137492 has 12 divisors (see below), whose sum is σ = 156555700. Its totient is φ = 44407296.

The previous prime is 89137487. The next prime is 89137501. The reversal of 89137492 is 29473198.

It can be written as a sum of positive squares in 2 ways, for example, as 25361296 + 63776196 = 5036^2 + 7986^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39117 + ... + 41332.

Almost surely, 2^89137492 is an apocalyptic number.

It is an amenable number.

89137492 is a deficient number, since it is larger than the sum of its proper divisors (67418208).

89137492 is a wasteful number, since it uses less digits than its factorization.

89137492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80730 (or 80728 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 89137492 is about 9441.2653812929. The cubic root of 89137492 is about 446.7043039001.

It can be divided in two parts, 891 and 37492, that added together give a palindrome (38383).

The spelling of 89137492 in words is "eighty-nine million, one hundred thirty-seven thousand, four hundred ninety-two".