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8866441 is a prime number
BaseRepresentation
bin100001110100…
…101010001001
3121200110110201
4201310222021
54232211231
6514012201
7135235453
oct41645211
917613421
108866441
115006541
122b77061
131ab591c
14126b2d3
15ba2161
hex874a89

8866441 has 2 divisors, whose sum is σ = 8866442. Its totient is φ = 8866440.

The previous prime is 8866439. The next prime is 8866453. The reversal of 8866441 is 1446688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4473225 + 4393216 = 2115^2 + 2096^2 .

It is a cyclic number.

It is not a de Polignac number, because 8866441 - 21 = 8866439 is a prime.

It is a super-2 number, since 2×88664412 = 157227552012962, which contains 22 as substring.

Together with 8866439, it forms a pair of twin primes.

It is a Chen prime.

8866441 is a lucky number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8866441.

It is not a weakly prime, because it can be changed into another prime (8836441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4433220 + 4433221.

It is an arithmetic number, because the mean of its divisors is an integer number (4433221).

Almost surely, 28866441 is an apocalyptic number.

It is an amenable number.

8866441 is a deficient number, since it is larger than the sum of its proper divisors (1).

8866441 is an equidigital number, since it uses as much as digits as its factorization.

8866441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 37.

The square root of 8866441 is about 2977.6569647963. The cubic root of 8866441 is about 206.9743097090.

The spelling of 8866441 in words is "eight million, eight hundred sixty-six thousand, four hundred forty-one".