326449956 has 72 divisors (see below), whose sum is σ = 896888160. Its totient is φ = 92133888.

The previous prime is 326449939. The next prime is 326449957. The reversal of 326449956 is 659944623.

It is not an unprimeable number, because it can be changed into a prime (326449957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45460 + ... + 52148.

It is an arithmetic number, because the mean of its divisors is an integer number (12456780).

Almost surely, 2^326449956 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 326449956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448444080).

326449956 is an abundant number, since it is smaller than the sum of its proper divisors (570438204).

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

326449956 is a wasteful number, since it uses less digits than its factorization.

326449956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6793 (or 6784 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 48.

The square root of 326449956 is about 18067.9261676596. The cubic root of 326449956 is about 688.5553728441. Note that the first 3 decimals are identical.

The spelling of 326449956 in words is "three hundred twenty-six million, four hundred forty-nine thousand, nine hundred fifty-six".