4788140 has 48 divisors (see below), whose sum is σ = 11999232. Its totient is φ = 1569216.

The previous prime is 4788131. The next prime is 4788197. The reversal of 4788140 is 418874.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4788097 and 4788106.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2477 + ... + 3963.

It is an arithmetic number, because the mean of its divisors is an integer number (249984).

Almost surely, 2^4788140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4788140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5999616).

4788140 is an abundant number, since it is smaller than the sum of its proper divisors (7211092).

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

4788140 is a wasteful number, since it uses less digits than its factorization.

4788140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526 (or 1524 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 4788140 is about 2188.1818937191. The cubic root of 4788140 is about 168.5474863741.

The spelling of 4788140 in words is "four million, seven hundred eighty-eight thousand, one hundred forty".