8869440 has 56 divisors (see below), whose sum is σ = 28163520. Its totient is φ = 2364928.

The previous prime is 8869429. The next prime is 8869453. The reversal of 8869440 is 449688.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3660 + ... + 5579.

It is an arithmetic number, because the mean of its divisors is an integer number (502920).

Almost surely, 2^8869440 is an apocalyptic number.

8869440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8869440 is an abundant number, since it is smaller than the sum of its proper divisors (19294080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8869440 is a wasteful number, since it uses less digits than its factorization.

8869440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259 (or 9249 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 8869440 is about 2978.1605060843. The cubic root of 8869440 is about 206.9976428586.

The spelling of 8869440 in words is "eight million, eight hundred sixty-nine thousand, four hundred forty".