4878840 has 64 divisors (see below), whose sum is σ = 14810400. Its totient is φ = 1285632.

The previous prime is 4878827. The next prime is 4878851. The reversal of 4878840 is 488784.

4878840 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12894 + ... + 13266.

Almost surely, 2^4878840 is an apocalyptic number.

4878840 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 4878840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7405200).

4878840 is an abundant number, since it is smaller than the sum of its proper divisors (9931560).

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

4878840 is a wasteful number, since it uses less digits than its factorization.

4878840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 4878840 is about 2208.8096341695. The cubic root of 4878840 is about 169.6050809858.

It can be divided in two parts, 48788 and 40, that added together give a triangular number (48828 = T₃₁₂).

The spelling of 4878840 in words is "four million, eight hundred seventy-eight thousand, eight hundred forty".