189539224 has 16 divisors (see below), whose sum is σ = 406155600. Its totient is φ = 81231072.

The previous prime is 189539219. The next prime is 189539237. The reversal of 189539224 is 422935981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692259 + ... + 1692370.

It is an arithmetic number, because the mean of its divisors is an integer number (25384725).

Almost surely, 2^189539224 is an apocalyptic number.

189539224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189539224 is an abundant number, since it is smaller than the sum of its proper divisors (216616376).

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

189539224 is a wasteful number, since it uses less digits than its factorization.

189539224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384642 (or 3384638 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 189539224 is about 13767.3245040567. The cubic root of 189539224 is about 574.4246029737.

The spelling of 189539224 in words is "one hundred eighty-nine million, five hundred thirty-nine thousand, two hundred twenty-four".