4878522 has 64 divisors (see below), whose sum is σ = 12165120. Its totient is φ = 1436400.

The previous prime is 4878509. The next prime is 4878527. The reversal of 4878522 is 2258784.

It is a happy number.

Its product of digits (35840) is a multiple of the sum of its prime factors (256).

It is not an unprimeable number, because it can be changed into a prime (4878527) 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 31 ways as a sum of consecutive naturals, for example, 25447 + ... + 25637.

It is an arithmetic number, because the mean of its divisors is an integer number (190080).

Almost surely, 2^4878522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4878522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6082560).

4878522 is an abundant number, since it is smaller than the sum of its proper divisors (7286598).

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

4878522 is a wasteful number, since it uses less digits than its factorization.

4878522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 250 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 4878522 is about 2208.7376485223. The cubic root of 4878522 is about 169.6013959850.

It can be divided in two parts, 487 and 8522, that added together give a palindrome (9009).

The spelling of 4878522 in words is "four million, eight hundred seventy-eight thousand, five hundred twenty-two".