189233700 has 72 divisors (see below), whose sum is σ = 566422080. Its totient is φ = 48720000.

The previous prime is 189233687. The next prime is 189233731. The reversal of 189233700 is 7332981.

189233700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2176 + ... + 19575.

Almost surely, 2^189233700 is an apocalyptic number.

189233700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189233700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283211040).

189233700 is an abundant number, since it is smaller than the sum of its proper divisors (377188380).

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

189233700 is a wasteful number, since it uses less digits than its factorization.

189233700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21797 (or 21790 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 189233700 is about 13756.2240458637. The cubic root of 189233700 is about 574.1157928649.

The spelling of 189233700 in words is "one hundred eighty-nine million, two hundred thirty-three thousand, seven hundred".