4878478 has 24 divisors (see below), whose sum is σ = 8474760. Its totient is φ = 2098800.

The previous prime is 4878469. The next prime is 4878499. The reversal of 4878478 is 8748784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4068 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (353115).

Almost surely, 2^4878478 is an apocalyptic number.

4878478 is a deficient number, since it is larger than the sum of its proper divisors (3596282).

4878478 is a wasteful number, since it uses less digits than its factorization.

4878478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 1093 counting only the distinct ones).

The product of its digits is 401408, while the sum is 46.

The square root of 4878478 is about 2208.7276880593. The cubic root of 4878478 is about 169.6008860981.

It can be divided in two parts, 4878 and 478, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 4878478 in words is "four million, eight hundred seventy-eight thousand, four hundred seventy-eight".