326866413 has 4 divisors (see below), whose sum is σ = 435821888. Its totient is φ = 217910940.

The previous prime is 326866381. The next prime is 326866427. The reversal of 326866413 is 314668623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 326866413 - 2⁵ = 326866381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326866433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54477733 + ... + 54477738.

It is an arithmetic number, because the mean of its divisors is an integer number (108955472).

Almost surely, 2^326866413 is an apocalyptic number.

It is an amenable number.

326866413 is a deficient number, since it is larger than the sum of its proper divisors (108955475).

326866413 is a wasteful number, since it uses less digits than its factorization.

326866413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108955474.

The product of its digits is 124416, while the sum is 39.

The square root of 326866413 is about 18079.4472537188. The cubic root of 326866413 is about 688.8480484874.

The spelling of 326866413 in words is "three hundred twenty-six million, eight hundred sixty-six thousand, four hundred thirteen".