330388994 has 8 divisors (see below), whose sum is σ = 533705340. Its totient is φ = 152487216.

The previous prime is 330388987. The next prime is 330389009. The reversal of 330388994 is 499883033.

It can be written as a sum of positive squares in 2 ways, for example, as 323820025 + 6568969 = 17995^2 + 2563^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6353609 + ... + 6353660.

Almost surely, 2^330388994 is an apocalyptic number.

330388994 is a deficient number, since it is larger than the sum of its proper divisors (203316346).

330388994 is a wasteful number, since it uses less digits than its factorization.

330388994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12707284.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 330388994 is about 18176.6056787289. The cubic root of 330388994 is about 691.3137429651.

The spelling of 330388994 in words is "three hundred thirty million, three hundred eighty-eight thousand, nine hundred ninety-four".