189433532 has 12 divisors (see below), whose sum is σ = 331673496. Its totient is φ = 94669680.

The previous prime is 189433513. The next prime is 189433537. The reversal of 189433532 is 235334981.

189433532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189433537) 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, 1778 + ... + 19545.

It is an arithmetic number, because the mean of its divisors is an integer number (27639458).

Almost surely, 2^189433532 is an apocalyptic number.

It is an amenable number.

189433532 is a deficient number, since it is larger than the sum of its proper divisors (142239964).

189433532 is a wasteful number, since it uses less digits than its factorization.

189433532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23548 (or 23546 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 189433532 is about 13763.4854597228. The cubic root of 189433532 is about 574.3178117561.

The spelling of 189433532 in words is "one hundred eighty-nine million, four hundred thirty-three thousand, five hundred thirty-two".