4778860 has 12 divisors (see below), whose sum is σ = 10035648. Its totient is φ = 1911536.

The previous prime is 4778843. The next prime is 4778863. The reversal of 4778860 is 688774.

It is not an unprimeable number, because it can be changed into a prime (4778863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119452 + ... + 119491.

It is an arithmetic number, because the mean of its divisors is an integer number (836304).

Almost surely, 2^4778860 is an apocalyptic number.

It is an amenable number.

4778860 is an abundant number, since it is smaller than the sum of its proper divisors (5256788).

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

4778860 is a wasteful number, since it uses less digits than its factorization.

4778860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238952 (or 238950 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 4778860 is about 2186.0603834295. The cubic root of 4778860 is about 168.4385274152.

The spelling of 4778860 in words is "four million, seven hundred seventy-eight thousand, eight hundred sixty".