189075924 has 72 divisors (see below), whose sum is σ = 503233920. Its totient is φ = 61364736.

The previous prime is 189075919. The next prime is 189075947. The reversal of 189075924 is 429570981.

It is a self number, because there is not a number n which added to its sum of digits gives 189075924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 979572 + ... + 979764.

It is an arithmetic number, because the mean of its divisors is an integer number (6989360).

Almost surely, 2^189075924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189075924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251616960).

189075924 is an abundant number, since it is smaller than the sum of its proper divisors (314157996).

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

189075924 is a wasteful number, since it uses less digits than its factorization.

189075924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 189075924 is about 13750.4881367899. The cubic root of 189075924 is about 573.9561897224.

The spelling of 189075924 in words is "one hundred eighty-nine million, seventy-five thousand, nine hundred twenty-four".