189652992 has 56 divisors (see below), whose sum is σ = 505775976. Its totient is φ = 63209472.

The previous prime is 189652987. The next prime is 189653021. The reversal of 189652992 is 299256981.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20718 + ... + 28434.

Almost surely, 2^189652992 is an apocalyptic number.

189652992 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 189652992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252887988).

189652992 is an abundant number, since it is smaller than the sum of its proper divisors (316122984).

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

189652992 is an frugal number, since it uses more digits than its factorization.

189652992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7746 (or 7722 counting only the distinct ones).

The product of its digits is 699840, while the sum is 51.

The square root of 189652992 is about 13771.4556964760. The cubic root of 189652992 is about 574.5395098267.

The spelling of 189652992 in words is "one hundred eighty-nine million, six hundred fifty-two thousand, nine hundred ninety-two".