326317420 has 96 divisors (see below), whose sum is σ = 816915456. Its totient is φ = 107923200.

The previous prime is 326317417. The next prime is 326317429. The reversal of 326317420 is 24713623.

It is not an unprimeable number, because it can be changed into a prime (326317429) 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, 202257 + ... + 203863.

It is an arithmetic number, because the mean of its divisors is an integer number (8509536).

Almost surely, 2^326317420 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 326317420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408457728).

326317420 is an abundant number, since it is smaller than the sum of its proper divisors (490598036).

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

326317420 is a wasteful number, since it uses less digits than its factorization.

326317420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711 (or 1709 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 326317420 is about 18064.2580805302. The cubic root of 326317420 is about 688.4621776228.

The spelling of 326317420 in words is "three hundred twenty-six million, three hundred seventeen thousand, four hundred twenty".