189679608 has 96 divisors (see below), whose sum is σ = 546717600. Its totient is φ = 59203584.

The previous prime is 189679583. The next prime is 189679619. The reversal of 189679608 is 806976981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431853 + ... + 432291.

It is an arithmetic number, because the mean of its divisors is an integer number (5694975).

Almost surely, 2^189679608 is an apocalyptic number.

189679608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189679608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273358800).

189679608 is an abundant number, since it is smaller than the sum of its proper divisors (357037992).

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

189679608 is a wasteful number, since it uses less digits than its factorization.

189679608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 189679608 is about 13772.4220092183. The cubic root of 189679608 is about 574.5663856278.

The spelling of 189679608 in words is "one hundred eighty-nine million, six hundred seventy-nine thousand, six hundred eight".