3826661 has 2 divisors, whose sum is σ = 3826662. Its totient is φ = 3826660.

The previous prime is 3826639. The next prime is 3826673. The reversal of 3826661 is 1666283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3724900 + 101761 = 1930^2 + 319^2 .

It is a cyclic number.

It is not a de Polignac number, because 3826661 - 2⁶ = 3826597 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3826601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1913330 + 1913331.

It is an arithmetic number, because the mean of its divisors is an integer number (1913331).

Almost surely, 2^3826661 is an apocalyptic number.

It is an amenable number.

3826661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3826661 is an equidigital number, since it uses as much as digits as its factorization.

3826661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 3826661 is about 1956.1853184195. The cubic root of 3826661 is about 156.4131743884.

The spelling of 3826661 in words is "three million, eight hundred twenty-six thousand, six hundred sixty-one".