3309149 has 2 divisors, whose sum is σ = 3309150. Its totient is φ = 3309148.

The previous prime is 3309143. The next prime is 3309167. The reversal of 3309149 is 9419033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 1249924 = 1435^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 3309149 - 2¹⁶ = 3243613 is a prime.

It is a Sophie Germain 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 (3309143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1654574 + 1654575.

It is an arithmetic number, because the mean of its divisors is an integer number (1654575).

Almost surely, 2^3309149 is an apocalyptic number.

It is an amenable number.

3309149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3309149 is an equidigital number, since it uses as much as digits as its factorization.

3309149 is an evil number, because the sum of its binary digits is even.

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

The square root of 3309149 is about 1819.1066488802. The cubic root of 3309149 is about 149.0180150282.

The spelling of 3309149 in words is "three million, three hundred nine thousand, one hundred forty-nine".