8857844 has 12 divisors (see below), whose sum is σ = 15639204. Its totient is φ = 4389504.

The previous prime is 8857841. The next prime is 8857853. The reversal of 8857844 is 4487588.

It can be written as a sum of positive squares in 2 ways, for example, as 1350244 + 7507600 = 1162^2 + 2740^2 .

It is a super-2 number, since 2×8857844² = 156922800656672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8857795 and 8857804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8857841) 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 3 ways as a sum of consecutive naturals, for example, 9347 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (1303267).

Almost surely, 2^8857844 is an apocalyptic number.

It is an amenable number.

8857844 is a deficient number, since it is larger than the sum of its proper divisors (6781360).

8857844 is a wasteful number, since it uses less digits than its factorization.

8857844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19714 (or 19712 counting only the distinct ones).

The product of its digits is 286720, while the sum is 44.

The square root of 8857844 is about 2976.2130300098. The cubic root of 8857844 is about 206.9073932109.

The spelling of 8857844 in words is "eight million, eight hundred fifty-seven thousand, eight hundred forty-four".