189432700 has 36 divisors (see below), whose sum is σ = 435253392. Its totient is φ = 71315200.

The previous prime is 189432697. The next prime is 189432707. The reversal of 189432700 is 7234981.

189432700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189432707) 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, 54016 + ... + 57415.

It is an arithmetic number, because the mean of its divisors is an integer number (12090372).

Almost surely, 2^189432700 is an apocalyptic number.

189432700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189432700 is an abundant number, since it is smaller than the sum of its proper divisors (245820692).

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

189432700 is a wasteful number, since it uses less digits than its factorization.

189432700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111462 (or 111455 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 189432700 is about 13763.4552347875. The cubic root of 189432700 is about 574.3169709456.

The spelling of 189432700 in words is "one hundred eighty-nine million, four hundred thirty-two thousand, seven hundred".