189250556 has 12 divisors (see below), whose sum is σ = 361296600. Its totient is φ = 86022960.

The previous prime is 189250543. The next prime is 189250577. The reversal of 189250556 is 655052981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150531 + ... + 2150618.

It is an arithmetic number, because the mean of its divisors is an integer number (30108050).

Almost surely, 2^189250556 is an apocalyptic number.

It is an amenable number.

189250556 is a deficient number, since it is larger than the sum of its proper divisors (172046044).

189250556 is a wasteful number, since it uses less digits than its factorization.

189250556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301164 (or 4301162 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The square root of 189250556 is about 13756.8367003465. The cubic root of 189250556 is about 574.1328388218.

The spelling of 189250556 in words is "one hundred eighty-nine million, two hundred fifty thousand, five hundred fifty-six".