3328991 has 6 divisors (see below), whose sum is σ = 3536640. Its totient is φ = 3132896.

The previous prime is 3328987. The next prime is 3328993. The reversal of 3328991 is 1998233.

It is not a de Polignac number, because 3328991 - 2² = 3328987 is a prime.

It is a super-2 number, since 2×3328991² = 22164362156162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3328993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5471 + ... + 6048.

It is an arithmetic number, because the mean of its divisors is an integer number (589440).

Almost surely, 2^3328991 is an apocalyptic number.

3328991 is a deficient number, since it is larger than the sum of its proper divisors (207649).

3328991 is a wasteful number, since it uses less digits than its factorization.

3328991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11553 (or 11536 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 3328991 is about 1824.5522738469. The cubic root of 3328991 is about 149.3152641872.

The spelling of 3328991 in words is "three million, three hundred twenty-eight thousand, nine hundred ninety-one".