7828841 has 2 divisors, whose sum is σ = 7828842. Its totient is φ = 7828840.

The previous prime is 7828783. The next prime is 7828853. The reversal of 7828841 is 1488287.

It is a happy number.

7828841 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5740816 + 2088025 = 2396^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 7828841 - 2¹⁴ = 7812457 is a prime.

It is a super-2 number, since 2×7828841² = 122581502806562, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7828795 and 7828804.

It is not a weakly prime, because it can be changed into another prime (7828141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3914420 + 3914421.

It is an arithmetic number, because the mean of its divisors is an integer number (3914421).

Almost surely, 2^7828841 is an apocalyptic number.

It is an amenable number.

7828841 is a deficient number, since it is larger than the sum of its proper divisors (1).

7828841 is an equidigital number, since it uses as much as digits as its factorization.

7828841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28672, while the sum is 38.

The square root of 7828841 is about 2798.0066118578. The cubic root of 7828841 is about 198.5633803280.

The spelling of 7828841 in words is "seven million, eight hundred twenty-eight thousand, eight hundred forty-one".