189531200 has 42 divisors (see below), whose sum is σ = 466369146. Its totient is φ = 75811840.

The previous prime is 189531169. The next prime is 189531217. The reversal of 189531200 is 2135981.

It can be written as a sum of positive squares in 3 ways, for example, as 62473216 + 127057984 = 7904^2 + 11272^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57629 + ... + 60828.

Almost surely, 2^189531200 is an apocalyptic number.

189531200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189531200 is an abundant number, since it is smaller than the sum of its proper divisors (276837946).

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

189531200 is a wasteful number, since it uses less digits than its factorization.

189531200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118479 (or 118464 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 189531200 is about 13767.0330863262. The cubic root of 189531200 is about 574.4164969153.

The spelling of 189531200 in words is "one hundred eighty-nine million, five hundred thirty-one thousand, two hundred".