326985340 has 24 divisors (see below), whose sum is σ = 749094192. Its totient is φ = 118903680.

The previous prime is 326985311. The next prime is 326985343. The reversal of 326985340 is 43589623.

It is a junction number, because it is equal to n+sod(n) for n = 326985293 and 326985302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326985343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742929 + ... + 743368.

It is an arithmetic number, because the mean of its divisors is an integer number (31212258).

Almost surely, 2^326985340 is an apocalyptic number.

It is an amenable number.

326985340 is an abundant number, since it is smaller than the sum of its proper divisors (422108852).

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

326985340 is a wasteful number, since it uses less digits than its factorization.

326985340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486317 (or 1486315 counting only the distinct ones).

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

The square root of 326985340 is about 18082.7359655557. The cubic root of 326985340 is about 688.9315817955.

The spelling of 326985340 in words is "three hundred twenty-six million, nine hundred eighty-five thousand, three hundred forty".