189707712 has 28 divisors (see below), whose sum is σ = 501935496. Its totient is φ = 63235840.

The previous prime is 189707689. The next prime is 189707717. The reversal of 189707712 is 217707981.

189707712 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 (189707717) 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, 493839 + ... + 494222.

Almost surely, 2^189707712 is an apocalyptic number.

189707712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189707712 is an abundant number, since it is smaller than the sum of its proper divisors (312227784).

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

189707712 is an equidigital number, since it uses as much as digits as its factorization.

189707712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988076 (or 988066 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 42.

The square root of 189707712 is about 13773.4422712697. The cubic root of 189707712 is about 574.5947612246.

The spelling of 189707712 in words is "one hundred eighty-nine million, seven hundred seven thousand, seven hundred twelve".