189923264 has 14 divisors (see below), whose sum is σ = 376879104. Its totient is φ = 94961600.

The previous prime is 189923249. The next prime is 189923299. The reversal of 189923264 is 462329981.

189923264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1483712 + ... + 1483839.

It is an arithmetic number, because the mean of its divisors is an integer number (26919936).

Almost surely, 2^189923264 is an apocalyptic number.

It is an amenable number.

189923264 is a deficient number, since it is larger than the sum of its proper divisors (186955840).

189923264 is an equidigital number, since it uses as much as digits as its factorization.

189923264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967563 (or 2967553 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 189923264 is about 13781.2649637107. The cubic root of 189923264 is about 574.8123031982.

The spelling of 189923264 in words is "one hundred eighty-nine million, nine hundred twenty-three thousand, two hundred sixty-four".