3802681 has 2 divisors, whose sum is σ = 3802682. Its totient is φ = 3802680.

The previous prime is 3802663. The next prime is 3802693. The reversal of 3802681 is 1862083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 116281 = 1920^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 3802681 - 2⁵ = 3802649 is a prime.

It is a super-2 number, since 2×3802681² = 28920765575522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3802621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1901340 + 1901341.

It is an arithmetic number, because the mean of its divisors is an integer number (1901341).

Almost surely, 2^3802681 is an apocalyptic number.

It is an amenable number.

3802681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3802681 is an equidigital number, since it uses as much as digits as its factorization.

3802681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3802681 is about 1950.0464097041. The cubic root of 3802681 is about 156.0857653532.

The spelling of 3802681 in words is "three million, eight hundred two thousand, six hundred eighty-one".