8858449 has 2 divisors, whose sum is σ = 8858450. Its totient is φ = 8858448.

The previous prime is 8858441. The next prime is 8858453. The reversal of 8858449 is 9448588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6076225 + 2782224 = 2465^2 + 1668^2 .

It is a cyclic number.

It is not a de Polignac number, because 8858449 - 2³ = 8858441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8858399 and 8858408.

It is not a weakly prime, because it can be changed into another prime (8858441) 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 as a sum of consecutive naturals, namely, 4429224 + 4429225.

It is an arithmetic number, because the mean of its divisors is an integer number (4429225).

Almost surely, 2^8858449 is an apocalyptic number.

It is an amenable number.

8858449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8858449 is an equidigital number, since it uses as much as digits as its factorization.

8858449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 46.

The square root of 8858449 is about 2976.3146675041. The cubic root of 8858449 is about 206.9121037674.

The spelling of 8858449 in words is "eight million, eight hundred fifty-eight thousand, four hundred forty-nine".