189204668 has 12 divisors (see below), whose sum is σ = 339184272. Its totient is φ = 92294880.

The previous prime is 189204649. The next prime is 189204677. The reversal of 189204668 is 866402981.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 576680 + ... + 577007.

It is an arithmetic number, because the mean of its divisors is an integer number (28265356).

Almost surely, 2^189204668 is an apocalyptic number.

It is an amenable number.

189204668 is a deficient number, since it is larger than the sum of its proper divisors (149979604).

189204668 is a wasteful number, since it uses less digits than its factorization.

189204668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153732 (or 1153730 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 189204668 is about 13755.1687739555. The cubic root of 189204668 is about 574.0864313186.

The spelling of 189204668 in words is "one hundred eighty-nine million, two hundred four thousand, six hundred sixty-eight".