189512196 has 24 divisors (see below), whose sum is σ = 446255040. Its totient is φ = 62590752.

The previous prime is 189512173. The next prime is 189512201. The reversal of 189512196 is 691215981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71136 + ... + 73751.

It is an arithmetic number, because the mean of its divisors is an integer number (18593960).

Almost surely, 2^189512196 is an apocalyptic number.

It is an amenable number.

189512196 is an abundant number, since it is smaller than the sum of its proper divisors (256742844).

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

189512196 is a wasteful number, since it uses less digits than its factorization.

189512196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145003 (or 145001 counting only the distinct ones).

The product of its digits is 38880, while the sum is 42.

The square root of 189512196 is about 13766.3428694770. The cubic root of 189512196 is about 574.3972976559.

The spelling of 189512196 in words is "one hundred eighty-nine million, five hundred twelve thousand, one hundred ninety-six".