189369924 has 12 divisors (see below), whose sum is σ = 441863184. Its totient is φ = 63123304.

The previous prime is 189369889. The next prime is 189369931. The reversal of 189369924 is 429963981.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7890402 + ... + 7890425.

It is an arithmetic number, because the mean of its divisors is an integer number (36821932).

Almost surely, 2^189369924 is an apocalyptic number.

It is an amenable number.

189369924 is an abundant number, since it is smaller than the sum of its proper divisors (252493260).

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

189369924 is a wasteful number, since it uses less digits than its factorization.

189369924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15780834 (or 15780832 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The square root of 189369924 is about 13761.1745138269. The cubic root of 189369924 is about 574.2535230730.

It can be divided in two parts, 1893 and 69924, that added together give a palindrome (71817).

The spelling of 189369924 in words is "one hundred eighty-nine million, three hundred sixty-nine thousand, nine hundred twenty-four".