8865944 has 16 divisors (see below), whose sum is σ = 16696800. Its totient is φ = 4413472.

The previous prime is 8865929. The next prime is 8865953. The reversal of 8865944 is 4495688.

8865944 = T₁₄₄ + T₁₄₅ + ... + T₃₈₂.

It is a happy number.

It is a super-2 number, since 2×8865944² = 157209926022272, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8865895 and 8865904.

It is a congruent number.

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, 407 + ... + 4230.

It is an arithmetic number, because the mean of its divisors is an integer number (1043550).

Almost surely, 2^8865944 is an apocalyptic number.

It is an amenable number.

8865944 is a deficient number, since it is larger than the sum of its proper divisors (7830856).

8865944 is a wasteful number, since it uses less digits than its factorization.

8865944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882 (or 4878 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 8865944 is about 2977.5735087484. The cubic root of 8865944 is about 206.9704423867.

The spelling of 8865944 in words is "eight million, eight hundred sixty-five thousand, nine hundred forty-four".