326805000 has 80 divisors (see below), whose sum is σ = 1020985680. Its totient is φ = 87144000.

The previous prime is 326804983. The next prime is 326805019. The reversal of 326805000 is 508623.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4107 + ... + 25893.

It is an arithmetic number, because the mean of its divisors is an integer number (12762321).

Almost surely, 2^326805000 is an apocalyptic number.

326805000 is a gapful number since it is divisible by the number (30) 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 326805000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510492840).

326805000 is an abundant number, since it is smaller than the sum of its proper divisors (694180680).

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

326805000 is a wasteful number, since it uses less digits than its factorization.

326805000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21816 (or 21797 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 326805000 is about 18077.7487536474. The cubic root of 326805000 is about 688.8049045880.

The spelling of 326805000 in words is "three hundred twenty-six million, eight hundred five thousand".