189750812 has 12 divisors (see below), whose sum is σ = 338329656. Its totient is φ = 93085200.

The previous prime is 189750779. The next prime is 189750833. The reversal of 189750812 is 218057981.

It is a self number, because there is not a number n which added to its sum of digits gives 189750812.

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, 447314 + ... + 447737.

It is an arithmetic number, because the mean of its divisors is an integer number (28194138).

Almost surely, 2^189750812 is an apocalyptic number.

It is an amenable number.

189750812 is a deficient number, since it is larger than the sum of its proper divisors (148578844).

189750812 is a wasteful number, since it uses less digits than its factorization.

189750812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895108 (or 895106 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 189750812 is about 13775.0067876571. The cubic root of 189750812 is about 574.6382722988.

The spelling of 189750812 in words is "one hundred eighty-nine million, seven hundred fifty thousand, eight hundred twelve".