189053184 has 72 divisors (see below), whose sum is σ = 506094400. Its totient is φ = 62650368.

The previous prime is 189053149. The next prime is 189053201. The reversal of 189053184 is 481350981.

It is a super-2 number, since 2×189053184² = 71482212761075712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152214 + ... + 153450.

Almost surely, 2^189053184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189053184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253047200).

189053184 is an abundant number, since it is smaller than the sum of its proper divisors (317041216).

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

189053184 is a wasteful number, since it uses less digits than its factorization.

189053184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 189053184 is about 13749.6612321904. The cubic root of 189053184 is about 573.9331790596.

The spelling of 189053184 in words is "one hundred eighty-nine million, fifty-three thousand, one hundred eighty-four".