189833984 has 36 divisors (see below), whose sum is σ = 380196264. Its totient is φ = 94599168.

The previous prime is 189833983. The next prime is 189833999. The reversal of 189833984 is 489338981.

189833984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (189833983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87764 + ... + 89900.

Almost surely, 2^189833984 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 189833984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190098132).

189833984 is an abundant number, since it is smaller than the sum of its proper divisors (190362280).

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

189833984 is an equidigital number, since it uses as much as digits as its factorization.

189833984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 2486 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The square root of 189833984 is about 13778.0254027927. The cubic root of 189833984 is about 574.7222189454.

The spelling of 189833984 in words is "one hundred eighty-nine million, eight hundred thirty-three thousand, nine hundred eighty-four".