8302240 has 48 divisors (see below), whose sum is σ = 20653920. Its totient is φ = 3144960.

The previous prime is 8302219. The next prime is 8302247. The reversal of 8302240 is 422038.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (8302247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1675 + ... + 4405.

It is an arithmetic number, because the mean of its divisors is an integer number (430290).

Almost surely, 2^8302240 is an apocalyptic number.

8302240 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 8302240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10326960).

8302240 is an abundant number, since it is smaller than the sum of its proper divisors (12351680).

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

8302240 is a wasteful number, since it uses less digits than its factorization.

8302240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 8302240 is about 2881.3607896270. The cubic root of 8302240 is about 202.4875976756.

Adding to 8302240 its reverse (422038), we get a palindrome (8724278).

The spelling of 8302240 in words is "eight million, three hundred two thousand, two hundred forty".