326516340 has 48 divisors (see below), whose sum is σ = 917183232. Its totient is φ = 86791296.

The previous prime is 326516293. The next prime is 326516353. The reversal of 326516340 is 43615623.

It is a super-2 number, since 2×326516340² = 213225840573991200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 326516298 and 326516307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10437 + ... + 27603.

It is an arithmetic number, because the mean of its divisors is an integer number (19107984).

Almost surely, 2^326516340 is an apocalyptic number.

326516340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326516340 is an abundant number, since it is smaller than the sum of its proper divisors (590666892).

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

326516340 is a wasteful number, since it uses less digits than its factorization.

326516340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17496 (or 17494 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 326516340 is about 18069.7631417791. The cubic root of 326516340 is about 688.6020425414.

The spelling of 326516340 in words is "three hundred twenty-six million, five hundred sixteen thousand, three hundred forty".