189933264 has 60 divisors (see below), whose sum is σ = 554669856. Its totient is φ = 60557376.

The previous prime is 189933259. The next prime is 189933277. The reversal of 189933264 is 462339981.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25362 + ... + 31985.

Almost surely, 2^189933264 is an apocalyptic number.

It is an amenable number.

189933264 is an abundant number, since it is smaller than the sum of its proper divisors (364736592).

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

189933264 is a wasteful number, since it uses less digits than its factorization.

189933264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57384 (or 57375 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 189933264 is about 13781.6277703325. The cubic root of 189933264 is about 574.8223915220.

The spelling of 189933264 in words is "one hundred eighty-nine million, nine hundred thirty-three thousand, two hundred sixty-four".