89147972 has 24 divisors (see below), whose sum is σ = 161784000. Its totient is φ = 42931616.

The previous prime is 89147963. The next prime is 89147999. The reversal of 89147972 is 27974198.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68843 + ... + 70125.

It is an arithmetic number, because the mean of its divisors is an integer number (6741000).

Almost surely, 2^89147972 is an apocalyptic number.

It is an amenable number.

89147972 is a deficient number, since it is larger than the sum of its proper divisors (72636028).

89147972 is a wasteful number, since it uses less digits than its factorization.

89147972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915 (or 1913 counting only the distinct ones).

The product of its digits is 254016, while the sum is 47.

The square root of 89147972 is about 9441.8203753302. The cubic root of 89147972 is about 446.7218097312.

The spelling of 89147972 in words is "eighty-nine million, one hundred forty-seven thousand, nine hundred seventy-two".