189995708 has 12 divisors (see below), whose sum is σ = 379991472. Its totient is φ = 81426720.

The previous prime is 189995677. The next prime is 189995717. The reversal of 189995708 is 807599981.

It is a happy number.

189995708 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3392753 + ... + 3392808.

It is an arithmetic number, because the mean of its divisors is an integer number (31665956).

Almost surely, 2^189995708 is an apocalyptic number.

It is an amenable number.

189995708 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189995708 is a wasteful number, since it uses less digits than its factorization.

189995708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6785572 (or 6785570 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 56.

The square root of 189995708 is about 13783.8930640077. The cubic root of 189995708 is about 574.8853790432.

The spelling of 189995708 in words is "one hundred eighty-nine million, nine hundred ninety-five thousand, seven hundred eight".