4776820 has 12 divisors (see below), whose sum is σ = 10031364. Its totient is φ = 1910720.

The previous prime is 4776803. The next prime is 4776833. The reversal of 4776820 is 286774.

It can be written as a sum of positive squares in 2 ways, for example, as 1136356 + 3640464 = 1066^2 + 1908^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119401 + ... + 119440.

It is an arithmetic number, because the mean of its divisors is an integer number (835947).

Almost surely, 2^4776820 is an apocalyptic number.

It is an amenable number.

4776820 is an abundant number, since it is smaller than the sum of its proper divisors (5254544).

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

4776820 is a wasteful number, since it uses less digits than its factorization.

4776820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238850 (or 238848 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 4776820 is about 2185.5937408402. The cubic root of 4776820 is about 168.4145563215.

It can be divided in two parts, 47 and 76820, that added together give a palindrome (76867).

The spelling of 4776820 in words is "four million, seven hundred seventy-six thousand, eight hundred twenty".