89173320 has 32 divisors (see below), whose sum is σ = 267520320. Its totient is φ = 23779520.

The previous prime is 89173307. The next prime is 89173333. The reversal of 89173320 is 2337198.

It is an interprime number because it is at equal distance from previous prime (89173307) and next prime (89173333).

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 7 ways as a sum of consecutive naturals, for example, 371436 + ... + 371675.

It is an arithmetic number, because the mean of its divisors is an integer number (8360010).

Almost surely, 2^89173320 is an apocalyptic number.

It is an amenable number.

89173320 is an abundant number, since it is smaller than the sum of its proper divisors (178347000).

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

89173320 is a wasteful number, since it uses less digits than its factorization.

89173320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743125 (or 743121 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 89173320 is about 9443.1626058223. The cubic root of 89173320 is about 446.7641454536.

The spelling of 89173320 in words is "eighty-nine million, one hundred seventy-three thousand, three hundred twenty".