7808328 has 48 divisors (see below), whose sum is σ = 23072400. Its totient is φ = 2365920.

The previous prime is 7808309. The next prime is 7808329. The reversal of 7808328 is 8238087.

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 = 7808292 and 7808301.

It is not an unprimeable number, because it can be changed into a prime (7808329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4138 + ... + 5721.

It is an arithmetic number, because the mean of its divisors is an integer number (480675).

Almost surely, 2^7808328 is an apocalyptic number.

It is an amenable number.

7808328 is an abundant number, since it is smaller than the sum of its proper divisors (15264072).

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

7808328 is a wasteful number, since it uses less digits than its factorization.

7808328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882 (or 9875 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 7808328 is about 2794.3385621646. The cubic root of 7808328 is about 198.3898044752.

The spelling of 7808328 in words is "seven million, eight hundred eight thousand, three hundred twenty-eight".