189512084 has 12 divisors (see below), whose sum is σ = 338702784. Its totient is φ = 92739864.

The previous prime is 189512053. The next prime is 189512093. The reversal of 189512084 is 480215981.

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, 503834 + ... + 504209.

It is an arithmetic number, because the mean of its divisors is an integer number (28225232).

Almost surely, 2^189512084 is an apocalyptic number.

It is an amenable number.

189512084 is a deficient number, since it is larger than the sum of its proper divisors (149190700).

189512084 is a wasteful number, since it uses less digits than its factorization.

189512084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008094 (or 1008092 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 189512084 is about 13766.3388015841. The cubic root of 189512084 is about 574.3971845014.

The spelling of 189512084 in words is "one hundred eighty-nine million, five hundred twelve thousand, eighty-four".