189349112 has 8 divisors (see below), whose sum is σ = 355029600. Its totient is φ = 94674552.

The previous prime is 189349073. The next prime is 189349157. The reversal of 189349112 is 211943981.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11834312 + ... + 11834327.

It is an arithmetic number, because the mean of its divisors is an integer number (44378700).

Almost surely, 2^189349112 is an apocalyptic number.

It is an amenable number.

189349112 is a deficient number, since it is larger than the sum of its proper divisors (165680488).

189349112 is a wasteful number, since it uses less digits than its factorization.

189349112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23668645 (or 23668641 counting only the distinct ones).

The product of its digits is 15552, while the sum is 38.

The square root of 189349112 is about 13760.4183075952. The cubic root of 189349112 is about 574.2324852335.

The spelling of 189349112 in words is "one hundred eighty-nine million, three hundred forty-nine thousand, one hundred twelve".