326972393 has 16 divisors (see below), whose sum is σ = 375532416. Its totient is φ = 281783040.

The previous prime is 326972357. The next prime is 326972413. The reversal of 326972393 is 393279623.

It is not a de Polignac number, because 326972393 - 2⁸ = 326972137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (326972333) 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, 22871 + ... + 34307.

It is an arithmetic number, because the mean of its divisors is an integer number (23470776).

Almost surely, 2^326972393 is an apocalyptic number.

It is an amenable number.

326972393 is a deficient number, since it is larger than the sum of its proper divisors (48560023).

326972393 is a wasteful number, since it uses less digits than its factorization.

326972393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11584.

The product of its digits is 367416, while the sum is 44.

The square root of 326972393 is about 18082.3779686191. The cubic root of 326972393 is about 688.9224889159.

The spelling of 326972393 in words is "three hundred twenty-six million, nine hundred seventy-two thousand, three hundred ninety-three".