8124320 has 24 divisors (see below), whose sum is σ = 19194084. Its totient is φ = 3249664.

The previous prime is 8124307. The next prime is 8124323. The reversal of 8124320 is 234218.

It can be written as a sum of positive squares in 2 ways, for example, as 7997584 + 126736 = 2828^2 + 356^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 8124292 and 8124301.

It is not an unprimeable number, because it can be changed into a prime (8124323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25229 + ... + 25548.

Almost surely, 2^8124320 is an apocalyptic number.

8124320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8124320 is an abundant number, since it is smaller than the sum of its proper divisors (11069764).

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

8124320 is a wasteful number, since it uses less digits than its factorization.

8124320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50792 (or 50784 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 8124320 is about 2850.3192803614. The cubic root of 8124320 is about 201.0306793760.

Adding to 8124320 its reverse (234218), we get a palindrome (8358538).

The spelling of 8124320 in words is "eight million, one hundred twenty-four thousand, three hundred twenty".