326984688 has 120 divisors (see below), whose sum is σ = 975073008. Its totient is φ = 106002432.

The previous prime is 326984633. The next prime is 326984711. The reversal of 326984688 is 886489623.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

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 23 ways as a sum of consecutive naturals, for example, 142720 + ... + 144992.

Almost surely, 2^326984688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326984688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487536504).

326984688 is an abundant number, since it is smaller than the sum of its proper divisors (648088320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326984688 is a wasteful number, since it uses less digits than its factorization.

326984688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333 (or 2315 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 326984688 is about 18082.7179373014. The cubic root of 326984688 is about 688.9311238915.

The spelling of 326984688 in words is "three hundred twenty-six million, nine hundred eighty-four thousand, six hundred eighty-eight".