4778548 has 12 divisors (see below), whose sum is σ = 8398852. Its totient is φ = 2378880.

The previous prime is 4778539. The next prime is 4778567. The reversal of 4778548 is 8458774.

4778548 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3833764 + 944784 = 1958^2 + 972^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515 + ... + 3442.

Almost surely, 2^4778548 is an apocalyptic number.

It is an amenable number.

4778548 is a deficient number, since it is larger than the sum of its proper divisors (3620304).

4778548 is a wasteful number, since it uses less digits than its factorization.

4778548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202 (or 5200 counting only the distinct ones).

The product of its digits is 250880, while the sum is 43.

The square root of 4778548 is about 2185.9890210154. The cubic root of 4778548 is about 168.4348616898.

It can be divided in two parts, 477 and 8548, that added together give a square (9025 = 95²).

The spelling of 4778548 in words is "four million, seven hundred seventy-eight thousand, five hundred forty-eight".