329674985 has 16 divisors (see below), whose sum is σ = 434540160. Its totient is φ = 238993920.

The previous prime is 329674913. The next prime is 329674991. The reversal of 329674985 is 589476923.

It is a happy number.

It is not a de Polignac number, because 329674985 - 2¹⁸ = 329412841 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73256 + ... + 77625.

It is an arithmetic number, because the mean of its divisors is an integer number (27158760).

Almost surely, 2^329674985 is an apocalyptic number.

It is an amenable number.

329674985 is a deficient number, since it is larger than the sum of its proper divisors (104865175).

329674985 is a wasteful number, since it uses less digits than its factorization.

329674985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150928.

The product of its digits is 3265920, while the sum is 53.

The square root of 329674985 is about 18156.9541773944. The cubic root of 329674985 is about 690.8153806815.

The spelling of 329674985 in words is "three hundred twenty-nine million, six hundred seventy-four thousand, nine hundred eighty-five".