189490592 has 24 divisors (see below), whose sum is σ = 373929696. Its totient is φ = 94524352.

The previous prime is 189490589. The next prime is 189490603. The reversal of 189490592 is 295094981.

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 3 ways as a sum of consecutive naturals, for example, 7493 + ... + 20859.

It is an arithmetic number, because the mean of its divisors is an integer number (15580404).

Almost surely, 2^189490592 is an apocalyptic number.

It is an amenable number.

189490592 is a deficient number, since it is larger than the sum of its proper divisors (184439104).

189490592 is a wasteful number, since it uses less digits than its factorization.

189490592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13820 (or 13812 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 189490592 is about 13765.5581797470. The cubic root of 189490592 is about 574.3754701235.

The spelling of 189490592 in words is "one hundred eighty-nine million, four hundred ninety thousand, five hundred ninety-two".