189100892 has 12 divisors (see below), whose sum is σ = 334914216. Its totient is φ = 93411120.

The previous prime is 189100889. The next prime is 189100921. The reversal of 189100892 is 298001981.

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, 284459 + ... + 285122.

It is an arithmetic number, because the mean of its divisors is an integer number (27909518).

Almost surely, 2^189100892 is an apocalyptic number.

It is an amenable number.

189100892 is a deficient number, since it is larger than the sum of its proper divisors (145813324).

189100892 is a wasteful number, since it uses less digits than its factorization.

189100892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569668 (or 569666 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 189100892 is about 13751.3960018610. The cubic root of 189100892 is about 573.9814527792.

The spelling of 189100892 in words is "one hundred eighty-nine million, one hundred thousand, eight hundred ninety-two".