329087685 has 8 divisors (see below), whose sum is σ = 526540320. Its totient is φ = 175513424.

The previous prime is 329087659. The next prime is 329087711. The reversal of 329087685 is 586780923.

It is an interprime number because it is at equal distance from previous prime (329087659) and next prime (329087711).

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

It is a cyclic number.

It is not a de Polignac number, because 329087685 - 2¹¹ = 329085637 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10969575 + ... + 10969604.

It is an arithmetic number, because the mean of its divisors is an integer number (65817540).

Almost surely, 2^329087685 is an apocalyptic number.

It is an amenable number.

329087685 is a deficient number, since it is larger than the sum of its proper divisors (197452635).

329087685 is a wasteful number, since it uses less digits than its factorization.

329087685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21939187.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 329087685 is about 18140.7741014544. The cubic root of 329087685 is about 690.4049188112.

The spelling of 329087685 in words is "three hundred twenty-nine million, eighty-seven thousand, six hundred eighty-five".