4877820 has 60 divisors (see below), whose sum is σ = 15306984. Its totient is φ = 1300320.

The previous prime is 4877783. The next prime is 4877843. The reversal of 4877820 is 287784.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 115 + ... + 3125.

Almost surely, 2^4877820 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 4877820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7653492).

4877820 is an abundant number, since it is smaller than the sum of its proper divisors (10429164).

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

4877820 is a wasteful number, since it uses less digits than its factorization.

4877820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032 (or 3021 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 4877820 is about 2208.5787285039. The cubic root of 4877820 is about 169.5932606050.

Subtracting from 4877820 its sum of digits (36), we obtain a palindrome (4877784).

The spelling of 4877820 in words is "four million, eight hundred seventy-seven thousand, eight hundred twenty".