189501792 has 24 divisors (see below), whose sum is σ = 497442456. Its totient is φ = 63167232.

The previous prime is 189501787. The next prime is 189501799. The reversal of 189501792 is 297105981.

189501792 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×189501792² = 71821858342422528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189501799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986893 + ... + 987084.

It is an arithmetic number, because the mean of its divisors is an integer number (20726769).

Almost surely, 2^189501792 is an apocalyptic number.

189501792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189501792 is an abundant number, since it is smaller than the sum of its proper divisors (307940664).

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

189501792 is a wasteful number, since it uses less digits than its factorization.

189501792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973990 (or 1973982 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 189501792 is about 13765.9649861533. The cubic root of 189501792 is about 574.3867862149.

The spelling of 189501792 in words is "one hundred eighty-nine million, five hundred one thousand, seven hundred ninety-two".