89173900 has 36 divisors (see below), whose sum is σ = 194050080. Its totient is φ = 35569600.

The previous prime is 89173883. The next prime is 89173901. The reversal of 89173900 is 937198.

It is a self number, because there is not a number n which added to its sum of digits gives 89173900.

It is not an unprimeable number, because it can be changed into a prime (89173901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42066 + ... + 44134.

It is an arithmetic number, because the mean of its divisors is an integer number (5390280).

Almost surely, 2^89173900 is an apocalyptic number.

It is an amenable number.

89173900 is an abundant number, since it is smaller than the sum of its proper divisors (104876180).

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

89173900 is a wasteful number, since it uses less digits than its factorization.

89173900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 89173900 is about 9443.1933158228. The cubic root of 89173900 is about 446.7651140641.

The spelling of 89173900 in words is "eighty-nine million, one hundred seventy-three thousand, nine hundred".