326934431 has 4 divisors (see below), whose sum is σ = 327999672. Its totient is φ = 325869192.

The previous prime is 326934389. The next prime is 326934437. The reversal of 326934431 is 134439623.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326934431 is a prime.

It is a super-2 number, since 2×326934431² = 213772244346587522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 326934391 and 326934400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326934437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532160 + ... + 532773.

It is an arithmetic number, because the mean of its divisors is an integer number (81999918).

Almost surely, 2^326934431 is an apocalyptic number.

326934431 is a deficient number, since it is larger than the sum of its proper divisors (1065241).

326934431 is a wasteful number, since it uses less digits than its factorization.

326934431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065240.

The product of its digits is 46656, while the sum is 35.

The square root of 326934431 is about 18081.3282421397. The cubic root of 326934431 is about 688.8958262289.

The spelling of 326934431 in words is "three hundred twenty-six million, nine hundred thirty-four thousand, four hundred thirty-one".