189004330 has 16 divisors (see below), whose sum is σ = 343578024. Its totient is φ = 74852800.

The previous prime is 189004327. The next prime is 189004331. The reversal of 189004330 is 33400981.

It can be written as a sum of positive squares in 4 ways, for example, as 175907169 + 13097161 = 13263^2 + 3619^2 .

It is not an unprimeable number, because it can be changed into a prime (189004331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92557 + ... + 94576.

Almost surely, 2^189004330 is an apocalyptic number.

189004330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189004330 is a deficient number, since it is larger than the sum of its proper divisors (154573694).

189004330 is a wasteful number, since it uses less digits than its factorization.

189004330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187241.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 189004330 is about 13747.8845645430. The cubic root of 189004330 is about 573.8837373337.

The spelling of 189004330 in words is "one hundred eighty-nine million, four thousand, three hundred thirty".