8638853 has 2 divisors, whose sum is σ = 8638854. Its totient is φ = 8638852.

The previous prime is 8638849. The next prime is 8638867. The reversal of 8638853 is 3588368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8305924 + 332929 = 2882^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 8638853 - 2² = 8638849 is a prime.

It is a Chen prime.

It is equal to p₅₇₉₈₈₄ and since 8638853 and 579884 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8638853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8638843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4319426 + 4319427.

It is an arithmetic number, because the mean of its divisors is an integer number (4319427).

Almost surely, 2^8638853 is an apocalyptic number.

It is an amenable number.

8638853 is a deficient number, since it is larger than the sum of its proper divisors (1).

8638853 is an equidigital number, since it uses as much as digits as its factorization.

8638853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 8638853 is about 2939.1925762018. The cubic root of 8638853 is about 205.1880329104.

The spelling of 8638853 in words is "eight million, six hundred thirty-eight thousand, eight hundred fifty-three".