3249391 has 2 divisors, whose sum is σ = 3249392. Its totient is φ = 3249390.

The previous prime is 3249343. The next prime is 3249401. The reversal of 3249391 is 1939423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3249391 - 2⁷ = 3249263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3249331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624695 + 1624696.

It is an arithmetic number, because the mean of its divisors is an integer number (1624696).

Almost surely, 2^3249391 is an apocalyptic number.

3249391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3249391 is an equidigital number, since it uses as much as digits as its factorization.

3249391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 3249391 is about 1802.6067236089. The cubic root of 3249391 is about 148.1155507393.

The spelling of 3249391 in words is "three million, two hundred forty-nine thousand, three hundred ninety-one".