189117692 has 12 divisors (see below), whose sum is σ = 331258536. Its totient is φ = 94472400.

The previous prime is 189117689. The next prime is 189117703. The reversal of 189117692 is 296711981.

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, 16559 + ... + 25542.

It is an arithmetic number, because the mean of its divisors is an integer number (27604878).

Almost surely, 2^189117692 is an apocalyptic number.

It is an amenable number.

189117692 is a deficient number, since it is larger than the sum of its proper divisors (142140844).

189117692 is a wasteful number, since it uses less digits than its factorization.

189117692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43228 (or 43226 counting only the distinct ones).

The product of its digits is 54432, while the sum is 44.

The square root of 189117692 is about 13752.0068353677. The cubic root of 189117692 is about 573.9984500600.

The spelling of 189117692 in words is "one hundred eighty-nine million, one hundred seventeen thousand, six hundred ninety-two".