326973967 has 2 divisors, whose sum is σ = 326973968. Its totient is φ = 326973966.

The previous prime is 326973919. The next prime is 326973991. The reversal of 326973967 is 769379623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 326973967 - 2¹¹ = 326971919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326973167) by changing a digit.

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 as a sum of consecutive naturals, namely, 163486983 + 163486984.

It is an arithmetic number, because the mean of its divisors is an integer number (163486984).

Almost surely, 2^326973967 is an apocalyptic number.

326973967 is a deficient number, since it is larger than the sum of its proper divisors (1).

326973967 is an equidigital number, since it uses as much as digits as its factorization.

326973967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2571912, while the sum is 52.

The square root of 326973967 is about 18082.4214916034. The cubic root of 326973967 is about 688.9235943734.

The spelling of 326973967 in words is "three hundred twenty-six million, nine hundred seventy-three thousand, nine hundred sixty-seven".