6863944 has 16 divisors (see below), whose sum is σ = 13218300. Its totient is φ = 3339072.

The previous prime is 6863939. The next prime is 6863953. The reversal of 6863944 is 4493686.

It can be written as a sum of positive squares in 2 ways, for example, as 6441444 + 422500 = 2538^2 + 650^2 .

It is a super-2 number, since 2×6863944² = 94227454470272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6863897 and 6863906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11299 + ... + 11890.

Almost surely, 2^6863944 is an apocalyptic number.

It is an amenable number.

6863944 is a deficient number, since it is larger than the sum of its proper divisors (6354356).

6863944 is a wasteful number, since it uses less digits than its factorization.

6863944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23232 (or 23228 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 6863944 is about 2619.9129756540. The cubic root of 6863944 is about 190.0456400054.

The spelling of 6863944 in words is "six million, eight hundred sixty-three thousand, nine hundred forty-four".