189579392 has 24 divisors (see below), whose sum is σ = 377988285. Its totient is φ = 94711808.

The previous prime is 189579373. The next prime is 189579407. The reversal of 189579392 is 293975981.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 184307776 + 5271616 = 13576^2 + 2296^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=9736.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 155168 + ... + 156384.

Almost surely, 2^189579392 is an apocalyptic number.

It is an amenable number.

189579392 is a deficient number, since it is larger than the sum of its proper divisors (188408893).

189579392 is an frugal number, since it uses more digits than its factorization.

189579392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448 (or 1219 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 53.

The square root of 189579392 is about 13768.7832432645. The cubic root of 189579392 is about 574.4651783178.

The spelling of 189579392 in words is "one hundred eighty-nine million, five hundred seventy-nine thousand, three hundred ninety-two".