189471712 has 36 divisors (see below), whose sum is σ = 378960120. Its totient is φ = 93251136.

The previous prime is 189471697. The next prime is 189471731. The reversal of 189471712 is 217174981.

189471712 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 an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142989 + ... + 144307.

It is an arithmetic number, because the mean of its divisors is an integer number (10526670).

Almost surely, 2^189471712 is an apocalyptic number.

It is an amenable number.

189471712 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

189471712 is an equidigital number, since it uses as much as digits as its factorization.

189471712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1388 counting only the distinct ones).

The product of its digits is 28224, while the sum is 40.

The square root of 189471712 is about 13764.8723931608. The cubic root of 189471712 is about 574.3563934173.

The spelling of 189471712 in words is "one hundred eighty-nine million, four hundred seventy-one thousand, seven hundred twelve".