3289931 has 2 divisors, whose sum is σ = 3289932. Its totient is φ = 3289930.

The previous prime is 3289889. The next prime is 3289933. The reversal of 3289931 is 1399823.

3289931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3289931 is a prime.

It is a super-2 number, since 2×3289931² = 21647291969522, which contains 22 as substring.

Together with 3289933, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3289891 and 3289900.

It is not a weakly prime, because it can be changed into another prime (3289933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1644965 + 1644966.

It is an arithmetic number, because the mean of its divisors is an integer number (1644966).

Almost surely, 2^3289931 is an apocalyptic number.

3289931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3289931 is an equidigital number, since it uses as much as digits as its factorization.

3289931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 3289931 is about 1813.8166941563. The cubic root of 3289931 is about 148.7289789752.

The spelling of 3289931 in words is "three million, two hundred eighty-nine thousand, nine hundred thirty-one".