889531972 has 24 divisors (see below), whose sum is σ = 1783333440. Its totient is φ = 380313120.

The previous prime is 889531943. The next prime is 889531991. The reversal of 889531972 is 279135988.

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, 26179 + ... + 49642.

It is an arithmetic number, because the mean of its divisors is an integer number (74305560).

Almost surely, 2^889531972 is an apocalyptic number.

It is an amenable number.

889531972 is an abundant number, since it is smaller than the sum of its proper divisors (893801468).

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

889531972 is a wasteful number, since it uses less digits than its factorization.

889531972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76251 (or 76249 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The square root of 889531972 is about 29825.0225817182. The cubic root of 889531972 is about 961.7315292286.

The spelling of 889531972 in words is "eight hundred eighty-nine million, five hundred thirty-one thousand, nine hundred seventy-two".