329930997 has 16 divisors (see below), whose sum is σ = 480729600. Its totient is φ = 199612400.

The previous prime is 329930987. The next prime is 329931001. The reversal of 329930997 is 799039923.

It is a cyclic number.

It is not a de Polignac number, because 329930997 - 2²⁴ = 313153781 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329930927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11422 + ... + 28112.

It is an arithmetic number, because the mean of its divisors is an integer number (30045600).

Almost surely, 2^329930997 is an apocalyptic number.

It is an amenable number.

329930997 is a deficient number, since it is larger than the sum of its proper divisors (150798603).

329930997 is a wasteful number, since it uses less digits than its factorization.

329930997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17304.

The product of its (nonzero) digits is 826686, while the sum is 51.

The square root of 329930997 is about 18164.0027802244. The cubic root of 329930997 is about 690.9941539937.

The spelling of 329930997 in words is "three hundred twenty-nine million, nine hundred thirty thousand, nine hundred ninety-seven".