189646632 has 48 divisors (see below), whose sum is σ = 587003040. Its totient is φ = 54184608.

The previous prime is 189646603. The next prime is 189646643. The reversal of 189646632 is 236646981.

189646632 is a `hidden beast` number, since 1 + 8 + 9 + 6 + 4 + 6 + 632 = 666.

189646632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187638 + ... + 188645.

It is an arithmetic number, because the mean of its divisors is an integer number (12229230).

Almost surely, 2^189646632 is an apocalyptic number.

189646632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189646632 is an abundant number, since it is smaller than the sum of its proper divisors (397356408).

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

189646632 is a wasteful number, since it uses less digits than its factorization.

189646632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376302 (or 376295 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 189646632 is about 13771.2247821318. The cubic root of 189646632 is about 574.5330873739.

The spelling of 189646632 in words is "one hundred eighty-nine million, six hundred forty-six thousand, six hundred thirty-two".