326984670 has 48 divisors (see below), whose sum is σ = 854951760. Its totient is φ = 86704512.

The previous prime is 326984633. The next prime is 326984711. The reversal of 326984670 is 76489623.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5962 + ... + 26258.

It is an arithmetic number, because the mean of its divisors is an integer number (17811495).

Almost surely, 2^326984670 is an apocalyptic number.

326984670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 326984670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427475880).

326984670 is an abundant number, since it is smaller than the sum of its proper divisors (527967090).

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

326984670 is a wasteful number, since it uses less digits than its factorization.

326984670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20489 (or 20486 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 326984670 is about 18082.7174395886. The cubic root of 326984670 is about 688.9311112499.

The spelling of 326984670 in words is "three hundred twenty-six million, nine hundred eighty-four thousand, six hundred seventy".