8983440 has 80 divisors (see below), whose sum is σ = 30950400. Its totient is φ = 2395008.

The previous prime is 8983433. The next prime is 8983493. The reversal of 8983440 is 443898.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8983395 and 8983404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81 + ... + 4239.

It is an arithmetic number, because the mean of its divisors is an integer number (386880).

Almost surely, 2^8983440 is an apocalyptic number.

8983440 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 8983440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15475200).

8983440 is an abundant number, since it is smaller than the sum of its proper divisors (21966960).

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

8983440 is a wasteful number, since it uses less digits than its factorization.

8983440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8983440 is about 2997.2387292306. The cubic root of 8983440 is about 207.8807255025.

The spelling of 8983440 in words is "eight million, nine hundred eighty-three thousand, four hundred forty".