4778205 has 16 divisors (see below), whose sum is σ = 7715520. Its totient is φ = 2524928.

The previous prime is 4778197. The next prime is 4778231. The reversal of 4778205 is 5028774.

4778205 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4778205 - 2³ = 4778197 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286 + ... + 3104.

It is an arithmetic number, because the mean of its divisors is an integer number (482220).

Almost surely, 2^4778205 is an apocalyptic number.

It is an amenable number.

4778205 is a deficient number, since it is larger than the sum of its proper divisors (2937315).

4778205 is a wasteful number, since it uses less digits than its factorization.

4778205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 4778205 is about 2185.9105654166. The cubic root of 4778205 is about 168.4308315577.

The spelling of 4778205 in words is "four million, seven hundred seventy-eight thousand, two hundred five".