326810916 has 96 divisors (see below), whose sum is σ = 870777600. Its totient is φ = 105960960.

The previous prime is 326810909. The next prime is 326810917. The reversal of 326810916 is 619018623.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (326810917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744225 + ... + 744663.

It is an arithmetic number, because the mean of its divisors is an integer number (9070600).

Almost surely, 2^326810916 is an apocalyptic number.

326810916 is a gapful number since it is divisible by the number (36) 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 326810916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435388800).

326810916 is an abundant number, since it is smaller than the sum of its proper divisors (543966684).

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

326810916 is a wasteful number, since it uses less digits than its factorization.

326810916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 326810916 is about 18077.9123794757. The cubic root of 326810916 is about 688.8090609353.

The spelling of 326810916 in words is "three hundred twenty-six million, eight hundred ten thousand, nine hundred sixteen".