3281393 has 2 divisors, whose sum is σ = 3281394. Its totient is φ = 3281392.

The previous prime is 3281363. The next prime is 3281401. The reversal of 3281393 is 3931823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2795584 + 485809 = 1672^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 3281393 - 2⁸ = 3281137 is a prime.

It is not a weakly prime, because it can be changed into another prime (3281303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640696 + 1640697.

It is an arithmetic number, because the mean of its divisors is an integer number (1640697).

Almost surely, 2^3281393 is an apocalyptic number.

It is an amenable number.

3281393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3281393 is an equidigital number, since it uses as much as digits as its factorization.

3281393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The square root of 3281393 is about 1811.4615645936. The cubic root of 3281393 is about 148.6002074692.

The spelling of 3281393 in words is "three million, two hundred eighty-one thousand, three hundred ninety-three".