326940457 has 8 divisors (see below), whose sum is σ = 329257440. Its totient is φ = 324629280.

The previous prime is 326940401. The next prime is 326940479. The reversal of 326940457 is 754049623.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 326940457 - 2⁷ = 326940329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326940487) 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 in 7 ways as a sum of consecutive naturals, for example, 212782 + ... + 214312.

It is an arithmetic number, because the mean of its divisors is an integer number (41157180).

Almost surely, 2^326940457 is an apocalyptic number.

It is an amenable number.

326940457 is a deficient number, since it is larger than the sum of its proper divisors (2316983).

326940457 is a wasteful number, since it uses less digits than its factorization.

326940457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 326940457 is about 18081.4948773601. The cubic root of 326940457 is about 688.9000587400.

The spelling of 326940457 in words is "three hundred twenty-six million, nine hundred forty thousand, four hundred fifty-seven".