3318857 has 2 divisors, whose sum is σ = 3318858. Its totient is φ = 3318856.

The previous prime is 3318853. The next prime is 3318911. The reversal of 3318857 is 7588133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3200521 + 118336 = 1789^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 3318857 - 2² = 3318853 is a prime.

It is a super-2 number, since 2×3318857² = 22029623572898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3318853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659428 + 1659429.

It is an arithmetic number, because the mean of its divisors is an integer number (1659429).

Almost surely, 2^3318857 is an apocalyptic number.

It is an amenable number.

3318857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3318857 is an equidigital number, since it uses as much as digits as its factorization.

3318857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 3318857 is about 1821.7730374555. The cubic root of 3318857 is about 149.1635967173.

The spelling of 3318857 in words is "three million, three hundred eighteen thousand, eight hundred fifty-seven".