189201700 has 18 divisors (see below), whose sum is σ = 410567906. Its totient is φ = 75680640.

The previous prime is 189201697. The next prime is 189201707. The reversal of 189201700 is 7102981.

It can be written as a sum of positive squares in 3 ways, for example, as 4024036 + 185177664 = 2006^2 + 13608^2 .

It is not an unprimeable number, because it can be changed into a prime (189201707) 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, 945909 + ... + 946108.

Almost surely, 2^189201700 is an apocalyptic number.

189201700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189201700 is an abundant number, since it is smaller than the sum of its proper divisors (221366206).

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

189201700 is a wasteful number, since it uses less digits than its factorization.

189201700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892031 (or 1892024 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 189201700 is about 13755.0608868154. The cubic root of 189201700 is about 574.0834294592.

The spelling of 189201700 in words is "one hundred eighty-nine million, two hundred one thousand, seven hundred".