189025768 has 8 divisors (see below), whose sum is σ = 354423330. Its totient is φ = 94512880.

The previous prime is 189025757. The next prime is 189025787. The reversal of 189025768 is 867520981.

It can be written as a sum of positive squares in only one way, i.e., 175350564 + 13675204 = 13242^2 + 3698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 11814103 + ... + 11814118.

Almost surely, 2^189025768 is an apocalyptic number.

It is an amenable number.

189025768 is a deficient number, since it is larger than the sum of its proper divisors (165397562).

189025768 is a wasteful number, since it uses less digits than its factorization.

189025768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23628227 (or 23628223 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 189025768 is about 13748.6642260257. The cubic root of 189025768 is about 573.9054342871.

The spelling of 189025768 in words is "one hundred eighty-nine million, twenty-five thousand, seven hundred sixty-eight".