189703660 has 12 divisors (see below), whose sum is σ = 398377728. Its totient is φ = 75881456.

The previous prime is 189703651. The next prime is 189703667. The reversal of 189703660 is 66307981.

It is not an unprimeable number, because it can be changed into a prime (189703667) 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, 4742572 + ... + 4742611.

It is an arithmetic number, because the mean of its divisors is an integer number (33198144).

Almost surely, 2^189703660 is an apocalyptic number.

189703660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189703660 is an abundant number, since it is smaller than the sum of its proper divisors (208674068).

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

189703660 is a wasteful number, since it uses less digits than its factorization.

189703660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9485192 (or 9485190 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 189703660 is about 13773.2951758103. The cubic root of 189703660 is about 574.5906702391.

The spelling of 189703660 in words is "one hundred eighty-nine million, seven hundred three thousand, six hundred sixty".