4784428 has 48 divisors (see below), whose sum is σ = 9878400. Its totient is φ = 2004480.

The previous prime is 4784419. The next prime is 4784431. The reversal of 4784428 is 8244874.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49276 + ... + 49372.

It is an arithmetic number, because the mean of its divisors is an integer number (205800).

Almost surely, 2^4784428 is an apocalyptic number.

It is an amenable number.

4784428 is an abundant number, since it is smaller than the sum of its proper divisors (5093972).

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

4784428 is a wasteful number, since it uses less digits than its factorization.

4784428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 188 counting only the distinct ones).

The product of its digits is 57344, while the sum is 37.

The square root of 4784428 is about 2187.3335365234. Note that the first 3 decimals coincide. The cubic root of 4784428 is about 168.5039196991.

The spelling of 4784428 in words is "four million, seven hundred eighty-four thousand, four hundred twenty-eight".