4985778 has 16 divisors (see below), whose sum is σ = 11396160. Its totient is φ = 1424496.

The previous prime is 4985753. The next prime is 4985789. The reversal of 4985778 is 8775894.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59313 + ... + 59396.

It is an arithmetic number, because the mean of its divisors is an integer number (712260).

Almost surely, 2^4985778 is an apocalyptic number.

4985778 is an abundant number, since it is smaller than the sum of its proper divisors (6410382).

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

4985778 is a wasteful number, since it uses less digits than its factorization.

4985778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118721.

The product of its digits is 564480, while the sum is 48.

The square root of 4985778 is about 2232.8855770057. The cubic root of 4985778 is about 170.8353121854.

The spelling of 4985778 in words is "four million, nine hundred eighty-five thousand, seven hundred seventy-eight".