9083640 has 64 divisors (see below), whose sum is σ = 27734400. Its totient is φ = 2379392.

The previous prime is 9083639. The next prime is 9083647. The reversal of 9083640 is 463809.

9083640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9083598 and 9083607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9083647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6439 + ... + 7721.

It is an arithmetic number, because the mean of its divisors is an integer number (433350).

Almost surely, 2^9083640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9083640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13867200).

9083640 is an abundant number, since it is smaller than the sum of its proper divisors (18650760).

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

9083640 is a wasteful number, since it uses less digits than its factorization.

9083640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1352 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 9083640 is about 3013.9077623577. The cubic root of 9083640 is about 208.6507601961.

The spelling of 9083640 in words is "nine million, eighty-three thousand, six hundred forty".