3836681 has 2 divisors, whose sum is σ = 3836682. Its totient is φ = 3836680.

The previous prime is 3836669. The next prime is 3836683. The reversal of 3836681 is 1866383.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3222025 + 614656 = 1795^2 + 784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3836681 is a prime.

It is a super-2 number, since 2×3836681² = 29440242191522, which contains 22 as substring.

Together with 3836683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3836683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1918340 + 1918341.

It is an arithmetic number, because the mean of its divisors is an integer number (1918341).

Almost surely, 2^3836681 is an apocalyptic number.

It is an amenable number.

3836681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3836681 is an equidigital number, since it uses as much as digits as its factorization.

3836681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 3836681 is about 1958.7447511098. The cubic root of 3836681 is about 156.5495765113.

The spelling of 3836681 in words is "three million, eight hundred thirty-six thousand, six hundred eighty-one".