189732612 has 24 divisors (see below), whose sum is σ = 461958336. Its totient is φ = 60494368.

The previous prime is 189732611. The next prime is 189732623. The reversal of 189732612 is 216237981.

It is not an unprimeable number, because it can be changed into a prime (189732611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343443 + ... + 343994.

It is an arithmetic number, because the mean of its divisors is an integer number (19248264).

Almost surely, 2^189732612 is an apocalyptic number.

189732612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189732612 is an abundant number, since it is smaller than the sum of its proper divisors (272225724).

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

189732612 is a wasteful number, since it uses less digits than its factorization.

189732612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687467 (or 687465 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 189732612 is about 13774.3461550812. The cubic root of 189732612 is about 574.6198995167.

The spelling of 189732612 in words is "one hundred eighty-nine million, seven hundred thirty-two thousand, six hundred twelve".