3367681 has 2 divisors, whose sum is σ = 3367682. Its totient is φ = 3367680.

The previous prime is 3367669. The next prime is 3367687. The reversal of 3367681 is 1867633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3207681 + 160000 = 1791^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 3367681 - 2¹¹ = 3365633 is a prime.

It is a super-2 number, since 2×3367681² = 22682550635522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3367687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1683840 + 1683841.

It is an arithmetic number, because the mean of its divisors is an integer number (1683841).

Almost surely, 2^3367681 is an apocalyptic number.

It is an amenable number.

3367681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3367681 is an equidigital number, since it uses as much as digits as its factorization.

3367681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 3367681 is about 1835.1242464749. The cubic root of 3367681 is about 149.8914918959.

The spelling of 3367681 in words is "three million, three hundred sixty-seven thousand, six hundred eighty-one".