189184944 has 80 divisors (see below), whose sum is σ = 530403552. Its totient is φ = 57759744.

The previous prime is 189184943. The next prime is 189184981. The reversal of 189184944 is 449481981.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 189184893 and 189184902.

It is not an unprimeable number, because it can be changed into a prime (189184943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84382 + ... + 86594.

Almost surely, 2^189184944 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 189184944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265201776).

189184944 is an abundant number, since it is smaller than the sum of its proper divisors (341218608).

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

189184944 is a wasteful number, since it uses less digits than its factorization.

189184944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374 (or 2368 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 189184944 is about 13754.4517884211. The cubic root of 189184944 is about 574.0664817152.

The spelling of 189184944 in words is "one hundred eighty-nine million, one hundred eighty-four thousand, nine hundred forty-four".