7836841 has 2 divisors, whose sum is σ = 7836842. Its totient is φ = 7836840.

The previous prime is 7836823. The next prime is 7836883. The reversal of 7836841 is 1486387.

7836841 = 1979² + 1980².

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3920400 + 3916441 = 1980^2 + 1979^2 .

It is a cyclic number.

It is not a de Polignac number, because 7836841 - 2⁷ = 7836713 is a prime.

It is a super-2 number, since 2×7836841² = 122832153718562, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7836841.

It is not a weakly prime, because it can be changed into another prime (7836041) 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, 3918420 + 3918421.

It is an arithmetic number, because the mean of its divisors is an integer number (3918421).

Almost surely, 2^7836841 is an apocalyptic number.

7836841 is the 1980-th centered square number.

It is an amenable number.

7836841 is a deficient number, since it is larger than the sum of its proper divisors (1).

7836841 is an equidigital number, since it uses as much as digits as its factorization.

7836841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 7836841 is about 2799.4358360213. The cubic root of 7836841 is about 198.6309921354.

The spelling of 7836841 in words is "seven million, eight hundred thirty-six thousand, eight hundred forty-one".