4778792 has 8 divisors (see below), whose sum is σ = 8960250. Its totient is φ = 2389392.

The previous prime is 4778791. The next prime is 4778803. The reversal of 4778792 is 2978774.

It can be written as a sum of positive squares in only one way, i.e., 4778596 + 196 = 2186^2 + 14^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (4778791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298667 + ... + 298682.

Almost surely, 2^4778792 is an apocalyptic number.

It is an amenable number.

4778792 is a deficient number, since it is larger than the sum of its proper divisors (4181458).

4778792 is a wasteful number, since it uses less digits than its factorization.

4778792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597355 (or 597351 counting only the distinct ones).

The product of its digits is 197568, while the sum is 44.

The square root of 4778792 is about 2186.0448302814. The cubic root of 4778792 is about 168.4377284886.

The spelling of 4778792 in words is "four million, seven hundred seventy-eight thousand, seven hundred ninety-two".