326994432 has 80 divisors (see below), whose sum is σ = 875033280. Its totient is φ = 108511232.

The previous prime is 326994413. The next prime is 326994457. The reversal of 326994432 is 234499623.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551128 + ... + 551720.

It is an arithmetic number, because the mean of its divisors is an integer number (10937916).

Almost surely, 2^326994432 is an apocalyptic number.

326994432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326994432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437516640).

326994432 is an abundant number, since it is smaller than the sum of its proper divisors (548038848).

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

326994432 is an equidigital number, since it uses as much as digits as its factorization.

326994432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 957 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

The square root of 326994432 is about 18082.9873638180. The cubic root of 326994432 is about 688.9379671051.

The spelling of 326994432 in words is "three hundred twenty-six million, nine hundred ninety-four thousand, four hundred thirty-two".