189795632 has 80 divisors (see below), whose sum is σ = 418514880. Its totient is φ = 82722816.

The previous prime is 189795631. The next prime is 189795649. The reversal of 189795632 is 236597981.

It is not an unprimeable number, because it can be changed into a prime (189795631) 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, 463844 + ... + 464252.

It is an arithmetic number, because the mean of its divisors is an integer number (5231436).

Almost surely, 2^189795632 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 189795632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209257440).

189795632 is an abundant number, since it is smaller than the sum of its proper divisors (228719248).

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

189795632 is a wasteful number, since it uses less digits than its factorization.

189795632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 544 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 189795632 is about 13776.6335510530. The cubic root of 189795632 is about 574.6835127900.

The spelling of 189795632 in words is "one hundred eighty-nine million, seven hundred ninety-five thousand, six hundred thirty-two".