189888032 has 12 divisors (see below), whose sum is σ = 373842126. Its totient is φ = 94944000.

The previous prime is 189888001. The next prime is 189888067. The reversal of 189888032 is 230888981.

It can be written as a sum of positive squares in only one way, i.e., 171191056 + 18696976 = 13084^2 + 4324^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2966969 + ... + 2967032.

Almost surely, 2^189888032 is an apocalyptic number.

It is an amenable number.

189888032 is a deficient number, since it is larger than the sum of its proper divisors (183954094).

189888032 is an equidigital number, since it uses as much as digits as its factorization.

189888032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934011 (or 5934003 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 47.

The square root of 189888032 is about 13779.9866473085. The cubic root of 189888032 is about 574.7767571939.

The spelling of 189888032 in words is "one hundred eighty-nine million, eight hundred eighty-eight thousand, thirty-two".