3309849 has 16 divisors (see below), whose sum is σ = 5192640. Its totient is φ = 2076480.

The previous prime is 3309847. The next prime is 3309851. The reversal of 3309849 is 9489033.

It is an interprime number because it is at equal distance from previous prime (3309847) and next prime (3309851).

It is not a de Polignac number, because 3309849 - 2¹ = 3309847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3309847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3147 + ... + 4064.

It is an arithmetic number, because the mean of its divisors is an integer number (324540).

Almost surely, 2^3309849 is an apocalyptic number.

It is an amenable number.

3309849 is a deficient number, since it is larger than the sum of its proper divisors (1882791).

3309849 is a wasteful number, since it uses less digits than its factorization.

3309849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237 (or 7231 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3309849 is about 1819.2990408396. The cubic root of 3309849 is about 149.0285217835.

The spelling of 3309849 in words is "three million, three hundred nine thousand, eight hundred forty-nine".