8683840 has 56 divisors (see below), whose sum is σ = 22567392. Its totient is φ = 3156480.

The previous prime is 8683823. The next prime is 8683853. The reversal of 8683840 is 483868.

It is a self number, because there is not a number n which added to its sum of digits gives 8683840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287 + ... + 4753.

Almost surely, 2^8683840 is an apocalyptic number.

8683840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8683840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11283696).

8683840 is an abundant number, since it is smaller than the sum of its proper divisors (13883552).

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

8683840 is a wasteful number, since it uses less digits than its factorization.

8683840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 8683840 is about 2946.8355909348. The cubic root of 8683840 is about 205.5435900294.

The spelling of 8683840 in words is "eight million, six hundred eighty-three thousand, eight hundred forty".