189261924 has 12 divisors (see below), whose sum is σ = 441611184. Its totient is φ = 63087304.

The previous prime is 189261923. The next prime is 189261929. The reversal of 189261924 is 429162981.

189261924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (189261923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7885902 + ... + 7885925.

It is an arithmetic number, because the mean of its divisors is an integer number (36800932).

Almost surely, 2^189261924 is an apocalyptic number.

It is an amenable number.

189261924 is an abundant number, since it is smaller than the sum of its proper divisors (252349260).

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

189261924 is a wasteful number, since it uses less digits than its factorization.

189261924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15771834 (or 15771832 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 189261924 is about 13757.2498705228. The cubic root of 189261924 is about 574.1443343608.

The spelling of 189261924 in words is "one hundred eighty-nine million, two hundred sixty-one thousand, nine hundred twenty-four".