189593330 has 8 divisors (see below), whose sum is σ = 341268012. Its totient is φ = 75837328.

The previous prime is 189593311. The next prime is 189593449. The reversal of 189593330 is 33395981.

It can be written as a sum of positive squares in 2 ways, for example, as 165199609 + 24393721 = 12853^2 + 4939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9479657 + ... + 9479676.

Almost surely, 2^189593330 is an apocalyptic number.

189593330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189593330 is a deficient number, since it is larger than the sum of its proper divisors (151674682).

189593330 is a wasteful number, since it uses less digits than its factorization.

189593330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18959340.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 189593330 is about 13769.2893789041. The cubic root of 189593330 is about 574.4792563237.

The spelling of 189593330 in words is "one hundred eighty-nine million, five hundred ninety-three thousand, three hundred thirty".