189372792 has 128 divisors (see below), whose sum is σ = 582819840. Its totient is φ = 50042880.

The previous prime is 189372767. The next prime is 189372797. The reversal of 189372792 is 297273981.

189372792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189372797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173673 + ... + 174759.

It is an arithmetic number, because the mean of its divisors is an integer number (4553280).

Almost surely, 2^189372792 is an apocalyptic number.

189372792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189372792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291409920).

189372792 is an abundant number, since it is smaller than the sum of its proper divisors (393447048).

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

189372792 is a wasteful number, since it uses less digits than its factorization.

189372792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1177 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 189372792 is about 13761.2787196539. The cubic root of 189372792 is about 574.2564220740.

The spelling of 189372792 in words is "one hundred eighty-nine million, three hundred seventy-two thousand, seven hundred ninety-two".