189042200 has 24 divisors (see below), whose sum is σ = 439523580. Its totient is φ = 75616800.

The previous prime is 189042179. The next prime is 189042253. The reversal of 189042200 is 2240981.

It is a self number, because there is not a number n which added to its sum of digits gives 189042200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 472406 + ... + 472805.

Almost surely, 2^189042200 is an apocalyptic number.

189042200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189042200 is an abundant number, since it is smaller than the sum of its proper divisors (250481380).

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

189042200 is a wasteful number, since it uses less digits than its factorization.

189042200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945227 (or 945218 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 189042200 is about 13749.2617983658. The cubic root of 189042200 is about 573.9220636616.

The spelling of 189042200 in words is "one hundred eighty-nine million, forty-two thousand, two hundred".