189017232 has 40 divisors (see below), whose sum is σ = 489373440. Its totient is φ = 62866560.

The previous prime is 189017209. The next prime is 189017249. The reversal of 189017232 is 232710981.

It is a junction number, because it is equal to n+sod(n) for n = 189017193 and 189017202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18882 + ... + 27102.

It is an arithmetic number, because the mean of its divisors is an integer number (12234336).

Almost surely, 2^189017232 is an apocalyptic number.

189017232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189017232 is an abundant number, since it is smaller than the sum of its proper divisors (300356208).

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

189017232 is a wasteful number, since it uses less digits than its factorization.

189017232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8711 (or 8705 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 189017232 is about 13748.3537923637. The cubic root of 189017232 is about 573.8967953758.

The spelling of 189017232 in words is "one hundred eighty-nine million, seventeen thousand, two hundred thirty-two".