189801392 has 20 divisors (see below), whose sum is σ = 401171496. Its totient is φ = 86273280.

The previous prime is 189801361. The next prime is 189801401. The reversal of 189801392 is 293108981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539033 + ... + 539384.

Almost surely, 2^189801392 is an apocalyptic number.

It is an amenable number.

189801392 is an abundant number, since it is smaller than the sum of its proper divisors (211370104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189801392 is a wasteful number, since it uses less digits than its factorization.

189801392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078436 (or 1078430 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 189801392 is about 13776.8425990863. The cubic root of 189801392 is about 574.6893263125.

The spelling of 189801392 in words is "one hundred eighty-nine million, eight hundred one thousand, three hundred ninety-two".