3882661 has 2 divisors, whose sum is σ = 3882662. Its totient is φ = 3882660.

The previous prime is 3882649. The next prime is 3882667. The reversal of 3882661 is 1662883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3218436 + 664225 = 1794^2 + 815^2 .

It is an emirp because it is prime and its reverse (1662883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3882661 - 2⁹ = 3882149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3882667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1941330 + 1941331.

It is an arithmetic number, because the mean of its divisors is an integer number (1941331).

Almost surely, 2^3882661 is an apocalyptic number.

It is an amenable number.

3882661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3882661 is an equidigital number, since it uses as much as digits as its factorization.

3882661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 3882661 is about 1970.4469036236. The cubic root of 3882661 is about 157.1724746615.

The spelling of 3882661 in words is "three million, eight hundred eighty-two thousand, six hundred sixty-one".