189280804 has 12 divisors (see below), whose sum is σ = 336672028. Its totient is φ = 93088800.

The previous prime is 189280801. The next prime is 189280813. The reversal of 189280804 is 408082981.

It can be written as a sum of positive squares in 2 ways, for example, as 59320804 + 129960000 = 7702^2 + 11400^2 .

It is a hoax number, since the sum of its digits (40) 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 (189280801) 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, 387627 + ... + 388114.

Almost surely, 2^189280804 is an apocalyptic number.

It is an amenable number.

189280804 is a deficient number, since it is larger than the sum of its proper divisors (147391224).

189280804 is a wasteful number, since it uses less digits than its factorization.

189280804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775806 (or 775804 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 189280804 is about 13757.9360370660. The cubic root of 189280804 is about 574.1634251608.

The spelling of 189280804 in words is "one hundred eighty-nine million, two hundred eighty thousand, eight hundred four".