8849857 has 2 divisors, whose sum is σ = 8849858. Its totient is φ = 8849856.

The previous prime is 8849851. The next prime is 8849861. The reversal of 8849857 is 7589488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4704561 + 4145296 = 2169^2 + 2036^2 .

It is a cyclic number.

It is not a de Polignac number, because 8849857 - 2¹⁵ = 8817089 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8849857.

It is not a weakly prime, because it can be changed into another prime (8849851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4424928 + 4424929.

It is an arithmetic number, because the mean of its divisors is an integer number (4424929).

Almost surely, 2^8849857 is an apocalyptic number.

It is an amenable number.

8849857 is a deficient number, since it is larger than the sum of its proper divisors (1).

8849857 is an equidigital number, since it uses as much as digits as its factorization.

8849857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 49.

The square root of 8849857 is about 2974.8709215695. The cubic root of 8849857 is about 206.8451859628.

The spelling of 8849857 in words is "eight million, eight hundred forty-nine thousand, eight hundred fifty-seven".