189800084 has 24 divisors (see below), whose sum is σ = 345259488. Its totient is φ = 91216800.

The previous prime is 189800059. The next prime is 189800089. The reversal of 189800084 is 480008981.

189800084 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189800089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4559 + ... + 20009.

It is an arithmetic number, because the mean of its divisors is an integer number (14385812).

Almost surely, 2^189800084 is an apocalyptic number.

It is an amenable number.

189800084 is a deficient number, since it is larger than the sum of its proper divisors (155459404).

189800084 is a wasteful number, since it uses less digits than its factorization.

189800084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15575 (or 15573 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 189800084 is about 13776.7951280405. The cubic root of 189800084 is about 574.6880061687.

The spelling of 189800084 in words is "one hundred eighty-nine million, eight hundred thousand, eighty-four".