8566441 has 12 divisors (see below), whose sum is σ = 9361548. Its totient is φ = 7834944.

The previous prime is 8566427. The next prime is 8566451. The reversal of 8566441 is 1446658.

It can be written as a sum of positive squares in 6 ways, for example, as 133225 + 8433216 = 365^2 + 2904^2 .

It is not a de Polignac number, because 8566441 - 2⁵ = 8566409 is a prime.

It is a super-2 number, since 2×8566441² = 146767822812962, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 8566397 and 8566406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8566451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29091 + ... + 29383.

It is an arithmetic number, because the mean of its divisors is an integer number (780129).

Almost surely, 2^8566441 is an apocalyptic number.

It is an amenable number.

8566441 is a deficient number, since it is larger than the sum of its proper divisors (795107).

8566441 is a wasteful number, since it uses less digits than its factorization.

8566441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 479 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 8566441 is about 2926.8483049178. The cubic root of 8566441 is about 204.6131192284.

The spelling of 8566441 in words is "eight million, five hundred sixty-six thousand, four hundred forty-one".