189516004 has 12 divisors (see below), whose sum is σ = 334265344. Its totient is φ = 94011624.

The previous prime is 189516001. The next prime is 189516031. The reversal of 189516004 is 400615981.

189516004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (189516001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186024 + ... + 187039.

Almost surely, 2^189516004 is an apocalyptic number.

It is an amenable number.

189516004 is a deficient number, since it is larger than the sum of its proper divisors (144749340).

189516004 is a wasteful number, since it uses less digits than its factorization.

189516004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373194 (or 373192 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 189516004 is about 13766.4811771200. The cubic root of 189516004 is about 574.4011448846.

The spelling of 189516004 in words is "one hundred eighty-nine million, five hundred sixteen thousand, four".