189094520 has 32 divisors (see below), whose sum is σ = 425952000. Its totient is φ = 75550848.

The previous prime is 189094511. The next prime is 189094537. The reversal of 189094520 is 25490981.

189094520 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41306 + ... + 45654.

It is an arithmetic number, because the mean of its divisors is an integer number (13311000).

Almost surely, 2^189094520 is an apocalyptic number.

189094520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189094520 is an abundant number, since it is smaller than the sum of its proper divisors (236857480).

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

189094520 is a wasteful number, since it uses less digits than its factorization.

189094520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447 (or 5443 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 189094520 is about 13751.1643143408. The cubic root of 189094520 is about 573.9750056901.

The spelling of 189094520 in words is "one hundred eighty-nine million, ninety-four thousand, five hundred twenty".