189776224 has 48 divisors (see below), whose sum is σ = 416295936. Its totient is φ = 84419200.

The previous prime is 189776221. The next prime is 189776231. The reversal of 189776224 is 422677981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189776221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10809 + ... + 22279.

It is an arithmetic number, because the mean of its divisors is an integer number (8672832).

Almost surely, 2^189776224 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 189776224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208147968).

189776224 is an abundant number, since it is smaller than the sum of its proper divisors (226519712).

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

189776224 is a wasteful number, since it uses less digits than its factorization.

189776224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11539 (or 11531 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 189776224 is about 13775.9291519665. The cubic root of 189776224 is about 574.6639235829.

The spelling of 189776224 in words is "one hundred eighty-nine million, seven hundred seventy-six thousand, two hundred twenty-four".