4775820 has 96 divisors (see below), whose sum is σ = 15579648. Its totient is φ = 1070592.

The previous prime is 4775819. The next prime is 4775839. The reversal of 4775820 is 285774.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34792 + ... + 34928.

It is an arithmetic number, because the mean of its divisors is an integer number (162288).

Almost surely, 2^4775820 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 4775820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7789824).

4775820 is an abundant number, since it is smaller than the sum of its proper divisors (10803828).

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

4775820 is a wasteful number, since it uses less digits than its factorization.

4775820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 4775820 is about 2185.3649580791. The cubic root of 4775820 is about 168.4028032927.

The spelling of 4775820 in words is "four million, seven hundred seventy-five thousand, eight hundred twenty".