8499844 has 6 divisors (see below), whose sum is σ = 14874734. Its totient is φ = 4249920.

The previous prime is 8499839. The next prime is 8499851. The reversal of 8499844 is 4489948.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7354944 + 1144900 = 2712^2 + 1070^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8499794 and 8499803.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062477 + ... + 1062484.

Almost surely, 2^8499844 is an apocalyptic number.

It is an amenable number.

8499844 is a deficient number, since it is larger than the sum of its proper divisors (6374890).

8499844 is a wasteful number, since it uses less digits than its factorization.

8499844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124965 (or 2124963 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 8499844 is about 2915.4491935206. The cubic root of 8499844 is about 204.0815065820.

The spelling of 8499844 in words is "eight million, four hundred ninety-nine thousand, eight hundred forty-four".