4771820 has 12 divisors (see below), whose sum is σ = 10020864. Its totient is φ = 1908720.

The previous prime is 4771817. The next prime is 4771829. The reversal of 4771820 is 281774.

It is a super-2 number, since 2×4771820² = 45540532224800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4771829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119276 + ... + 119315.

It is an arithmetic number, because the mean of its divisors is an integer number (835072).

Almost surely, 2^4771820 is an apocalyptic number.

It is an amenable number.

4771820 is an abundant number, since it is smaller than the sum of its proper divisors (5249044).

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

4771820 is a wasteful number, since it uses less digits than its factorization.

4771820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238600 (or 238598 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 4771820 is about 2184.4495874247. The cubic root of 4771820 is about 168.3557747641.

The spelling of 4771820 in words is "four million, seven hundred seventy-one thousand, eight hundred twenty".