8202840 has 64 divisors (see below), whose sum is σ = 26062560. Its totient is φ = 2058240.

The previous prime is 8202839. The next prime is 8202847. The reversal of 8202840 is 482028.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 8202840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8202847) 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, 30 + ... + 4050.

Almost surely, 2^8202840 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 8202840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13031280).

8202840 is an abundant number, since it is smaller than the sum of its proper divisors (17859720).

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

8202840 is a wasteful number, since it uses less digits than its factorization.

8202840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052 (or 4048 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 8202840 is about 2864.0600552363. The cubic root of 8202840 is about 201.6762450960.

Adding to 8202840 its reverse (482028), we get a palindrome (8684868).

The spelling of 8202840 in words is "eight million, two hundred two thousand, eight hundred forty".