189323392 has 16 divisors (see below), whose sum is σ = 377167950. Its totient is φ = 94661632.

The previous prime is 189323377. The next prime is 189323437. The reversal of 189323392 is 293323981.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 166513216 + 22810176 = 12904^2 + 4776^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739417 + ... + 739672.

Almost surely, 2^189323392 is an apocalyptic number.

It is an amenable number.

189323392 is a deficient number, since it is larger than the sum of its proper divisors (187844558).

189323392 is an equidigital number, since it uses as much as digits as its factorization.

189323392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479103 (or 1479091 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 189323392 is about 13759.4837112444. The cubic root of 189323392 is about 574.2064840055.

The spelling of 189323392 in words is "one hundred eighty-nine million, three hundred twenty-three thousand, three hundred ninety-two".