189570528 has 72 divisors (see below), whose sum is σ = 616110768. Its totient is φ = 54162432.

The previous prime is 189570523. The next prime is 189570529. The reversal of 189570528 is 825075981.

It is a happy number.

189570528 is digitally balanced in base 2, 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 (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189570523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45001 + ... + 49032.

It is an arithmetic number, because the mean of its divisors is an integer number (8557094).

Almost surely, 2^189570528 is an apocalyptic number.

189570528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

189570528 is an abundant number, since it is smaller than the sum of its proper divisors (426540240).

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

189570528 is a wasteful number, since it uses less digits than its factorization.

189570528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94056 (or 94045 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 189570528 is about 13768.4613519449. The cubic root of 189570528 is about 574.4562249207.

The spelling of 189570528 in words is "one hundred eighty-nine million, five hundred seventy thousand, five hundred twenty-eight".