3318749 has 8 divisors (see below), whose sum is σ = 3992640. Its totient is φ = 2694816.

The previous prime is 3318719. The next prime is 3318769. The reversal of 3318749 is 9478133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3318749 - 2²⁰ = 2270173 is a prime.

It is a super-2 number, since 2×3318749² = 22028189850002, 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 (3318709) 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 in 7 ways as a sum of consecutive naturals, for example, 12344 + ... + 12609.

It is an arithmetic number, because the mean of its divisors is an integer number (499080).

Almost surely, 2^3318749 is an apocalyptic number.

It is an amenable number.

3318749 is a deficient number, since it is larger than the sum of its proper divisors (673891).

3318749 is a wasteful number, since it uses less digits than its factorization.

3318749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24979.

The product of its digits is 18144, while the sum is 35.

The square root of 3318749 is about 1821.7433957613. The cubic root of 3318749 is about 149.1619787062.

The spelling of 3318749 in words is "three million, three hundred eighteen thousand, seven hundred forty-nine".