189358572 has 24 divisors (see below), whose sum is σ = 475824496. Its totient is φ = 58264128.

The previous prime is 189358531. The next prime is 189358573. The reversal of 189358572 is 275853981.

189358572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (189358573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606763 + ... + 607074.

Almost surely, 2^189358572 is an apocalyptic number.

189358572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189358572 is an abundant number, since it is smaller than the sum of its proper divisors (286465924).

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

189358572 is a wasteful number, since it uses less digits than its factorization.

189358572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213857 (or 1213855 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The square root of 189358572 is about 13760.7620428521. The cubic root of 189358572 is about 574.2420480789.

The spelling of 189358572 in words is "one hundred eighty-nine million, three hundred fifty-eight thousand, five hundred seventy-two".