329645697 has 16 divisors (see below), whose sum is σ = 465263040. Its totient is φ = 207248832.

The previous prime is 329645681. The next prime is 329645713. The reversal of 329645697 is 796546923.

It is an interprime number because it is at equal distance from previous prime (329645681) and next prime (329645713).

It is not a de Polignac number, because 329645697 - 2⁴ = 329645681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (329645627) 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, 40318 + ... + 47799.

It is an arithmetic number, because the mean of its divisors is an integer number (29078940).

Almost surely, 2^329645697 is an apocalyptic number.

It is an amenable number.

329645697 is a deficient number, since it is larger than the sum of its proper divisors (135617343).

329645697 is a wasteful number, since it uses less digits than its factorization.

329645697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88192.

The product of its digits is 2449440, while the sum is 51.

The square root of 329645697 is about 18156.1476365445. The cubic root of 329645697 is about 690.7949229570.

The spelling of 329645697 in words is "three hundred twenty-nine million, six hundred forty-five thousand, six hundred ninety-seven".