3677881 has 2 divisors, whose sum is σ = 3677882. Its totient is φ = 3677880.

The previous prime is 3677857. The next prime is 3677897. The reversal of 3677881 is 1887763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1946025 + 1731856 = 1395^2 + 1316^2 .

It is a cyclic number.

It is not a de Polignac number, because 3677881 - 2⁷ = 3677753 is a prime.

It is a super-2 number, since 2×3677881² = 27053617300322, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3677851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1838940 + 1838941.

It is an arithmetic number, because the mean of its divisors is an integer number (1838941).

Almost surely, 2^3677881 is an apocalyptic number.

It is an amenable number.

3677881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3677881 is an equidigital number, since it uses as much as digits as its factorization.

3677881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 40.

The square root of 3677881 is about 1917.7802272419. The cubic root of 3677881 is about 154.3592137474.

The spelling of 3677881 in words is "three million, six hundred seventy-seven thousand, eight hundred eighty-one".