326853940 has 48 divisors (see below), whose sum is σ = 791683200. Its totient is φ = 111030912.

The previous prime is 326853887. The next prime is 326853949. The reversal of 326853940 is 49358623.

326853940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 326853893 and 326853902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326853949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4551 + ... + 25969.

It is an arithmetic number, because the mean of its divisors is an integer number (16493400).

Almost surely, 2^326853940 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 326853940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395841600).

326853940 is an abundant number, since it is smaller than the sum of its proper divisors (464829260).

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

326853940 is a wasteful number, since it uses less digits than its factorization.

326853940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21544 (or 21542 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 326853940 is about 18079.1023007228. The cubic root of 326853940 is about 688.8392863850.

The spelling of 326853940 in words is "three hundred twenty-six million, eight hundred fifty-three thousand, nine hundred forty".