4780840 has 32 divisors (see below), whose sum is σ = 10990080. Its totient is φ = 1870912.

The previous prime is 4780823. The next prime is 4780861. The reversal of 4780840 is 480874.

4780840 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4780840² = 45712862211200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609 + ... + 3151.

It is an arithmetic number, because the mean of its divisors is an integer number (343440).

Almost surely, 2^4780840 is an apocalyptic number.

4780840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4780840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5495040).

4780840 is an abundant number, since it is smaller than the sum of its proper divisors (6209240).

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

4780840 is a wasteful number, since it uses less digits than its factorization.

4780840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601 (or 2597 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 4780840 is about 2186.5132059972. The cubic root of 4780840 is about 168.4617869537.

The spelling of 4780840 in words is "four million, seven hundred eighty thousand, eight hundred forty".