3304991 has 2 divisors, whose sum is σ = 3304992. Its totient is φ = 3304990.

The previous prime is 3304981. The next prime is 3305009. The reversal of 3304991 is 1994033.

It is a weak prime.

It is an emirp because it is prime and its reverse (1994033) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3304991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3304901) 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, 1652495 + 1652496.

It is an arithmetic number, because the mean of its divisors is an integer number (1652496).

Almost surely, 2^3304991 is an apocalyptic number.

3304991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3304991 is an equidigital number, since it uses as much as digits as its factorization.

3304991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 3304991 is about 1817.9634209741. The cubic root of 3304991 is about 148.9555743416.

The spelling of 3304991 in words is "three million, three hundred four thousand, nine hundred ninety-one".