3313949 has 2 divisors, whose sum is σ = 3313950. Its totient is φ = 3313948.

The previous prime is 3313943. The next prime is 3313957. The reversal of 3313949 is 9493133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 1545049 = 1330^2 + 1243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3313949 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3313943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656974 + 1656975.

It is an arithmetic number, because the mean of its divisors is an integer number (1656975).

Almost surely, 2^3313949 is an apocalyptic number.

It is an amenable number.

3313949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3313949 is an equidigital number, since it uses as much as digits as its factorization.

3313949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 32.

The square root of 3313949 is about 1820.4254997115. The cubic root of 3313949 is about 149.0900316206.

The spelling of 3313949 in words is "three million, three hundred thirteen thousand, nine hundred forty-nine".