189604224 has 48 divisors (see below), whose sum is σ = 545609220. Its totient is φ = 63201024.

The previous prime is 189604199. The next prime is 189604231. The reversal of 189604224 is 422406981.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81142 + ... + 83445.

Almost surely, 2^189604224 is an apocalyptic number.

It is an amenable number.

189604224 is an abundant number, since it is smaller than the sum of its proper divisors (356004996).

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

189604224 is a wasteful number, since it uses less digits than its factorization.

189604224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164607 (or 164592 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 189604224 is about 13769.6849637165. The cubic root of 189604224 is about 574.4902592726.

The spelling of 189604224 in words is "one hundred eighty-nine million, six hundred four thousand, two hundred twenty-four".