7428808 has 16 divisors (see below), whose sum is σ = 14166000. Its totient is φ = 3651216.

The previous prime is 7428803. The next prime is 7428821. The reversal of 7428808 is 8088247.

It is not an unprimeable number, because it can be changed into a prime (7428803) 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 3 ways as a sum of consecutive naturals, for example, 7398 + ... + 8341.

It is an arithmetic number, because the mean of its divisors is an integer number (885375).

Almost surely, 2^7428808 is an apocalyptic number.

It is an amenable number.

7428808 is a deficient number, since it is larger than the sum of its proper divisors (6737192).

7428808 is a wasteful number, since it uses less digits than its factorization.

7428808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15804 (or 15800 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 7428808 is about 2725.5839741237. The cubic root of 7428808 is about 195.1220625213.

It can be divided in two parts, 74 and 28808, that added together give a palindrome (28882).

The spelling of 7428808 in words is "seven million, four hundred twenty-eight thousand, eight hundred eight".