326498720 has 48 divisors (see below), whose sum is σ = 774385920. Its totient is φ = 130086144.

The previous prime is 326498713. The next prime is 326498729. The reversal of 326498720 is 27894623.

It is a happy number.

326498720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (326498729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38201 + ... + 45959.

It is an arithmetic number, because the mean of its divisors is an integer number (16133040).

Almost surely, 2^326498720 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 326498720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387192960).

326498720 is an abundant number, since it is smaller than the sum of its proper divisors (447887200).

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

326498720 is a wasteful number, since it uses less digits than its factorization.

326498720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8037 (or 8029 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 326498720 is about 18069.2755803878. The cubic root of 326498720 is about 688.5896558349.

The spelling of 326498720 in words is "three hundred twenty-six million, four hundred ninety-eight thousand, seven hundred twenty".