189620896 has 24 divisors (see below), whose sum is σ = 374752224. Its totient is φ = 94445760.

The previous prime is 189620863. The next prime is 189620897. The reversal of 189620896 is 698026981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (189620897) 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, 2850 + ... + 19681.

It is an arithmetic number, because the mean of its divisors is an integer number (15614676).

Almost surely, 2^189620896 is an apocalyptic number.

189620896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

189620896 is a deficient number, since it is larger than the sum of its proper divisors (185131328).

189620896 is a wasteful number, since it uses less digits than its factorization.

189620896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22804 (or 22796 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 189620896 is about 13770.2903382608. The cubic root of 189620896 is about 574.5070971902.

The spelling of 189620896 in words is "one hundred eighty-nine million, six hundred twenty thousand, eight hundred ninety-six".