189321452 has 48 divisors (see below), whose sum is σ = 368178048. Its totient is φ = 84787200.

The previous prime is 189321427. The next prime is 189321463. The reversal of 189321452 is 254123981.

It is a super-2 number, since 2×189321452² = 71685224374776608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117452 + ... + 119052.

It is an arithmetic number, because the mean of its divisors is an integer number (7670376).

Almost surely, 2^189321452 is an apocalyptic number.

It is an amenable number.

189321452 is a deficient number, since it is larger than the sum of its proper divisors (178856596).

189321452 is a wasteful number, since it uses less digits than its factorization.

189321452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1704 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 189321452 is about 13759.4132142326. The cubic root of 189321452 is about 574.2045226976.

The spelling of 189321452 in words is "one hundred eighty-nine million, three hundred twenty-one thousand, four hundred fifty-two".