4778850 has 24 divisors (see below), whose sum is σ = 11851920. Its totient is φ = 1274320.

The previous prime is 4778843. The next prime is 4778863. The reversal of 4778850 is 588774.

It is a junction number, because it is equal to n+sod(n) for n = 4778799 and 4778808.

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 11 ways as a sum of consecutive naturals, for example, 15780 + ... + 16079.

It is an arithmetic number, because the mean of its divisors is an integer number (493830).

Almost surely, 2^4778850 is an apocalyptic number.

4778850 is an abundant number, since it is smaller than the sum of its proper divisors (7073070).

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

4778850 is a wasteful number, since it uses less digits than its factorization.

4778850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31874 (or 31869 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 4778850 is about 2186.0580962088. The cubic root of 4778850 is about 168.4384099264.

The spelling of 4778850 in words is "four million, seven hundred seventy-eight thousand, eight hundred fifty".