89171312 has 20 divisors (see below), whose sum is σ = 172961400. Its totient is φ = 44536128.

The previous prime is 89171309. The next prime is 89171321. The reversal of 89171312 is 21317198.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 14939 + ... + 20037.

It is an arithmetic number, because the mean of its divisors is an integer number (8648070).

Almost surely, 2^89171312 is an apocalyptic number.

It is an amenable number.

89171312 is a deficient number, since it is larger than the sum of its proper divisors (83790088).

89171312 is a wasteful number, since it uses less digits than its factorization.

89171312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200 (or 6194 counting only the distinct ones).

The product of its digits is 3024, while the sum is 32.

The square root of 89171312 is about 9443.0562849112. The cubic root of 89171312 is about 446.7607920248.

The spelling of 89171312 in words is "eighty-nine million, one hundred seventy-one thousand, three hundred twelve".