189249700 has 18 divisors (see below), whose sum is σ = 410672066. Its totient is φ = 75699840.

The previous prime is 189249677. The next prime is 189249701. The reversal of 189249700 is 7942981.

189249700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 23561316 + 165688384 = 4854^2 + 12872^2 .

It is not an unprimeable number, because it can be changed into a prime (189249701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 946149 + ... + 946348.

Almost surely, 2^189249700 is an apocalyptic number.

189249700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189249700 is an abundant number, since it is smaller than the sum of its proper divisors (221422366).

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

189249700 is a wasteful number, since it uses less digits than its factorization.

189249700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892511 (or 1892504 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 189249700 is about 13756.8055885078. The cubic root of 189249700 is about 574.1319731996.

The spelling of 189249700 in words is "one hundred eighty-nine million, two hundred forty-nine thousand, seven hundred".