4478278 has 24 divisors (see below), whose sum is σ = 7905168. Its totient is φ = 1863792.

The previous prime is 4478269. The next prime is 4478317. The reversal of 4478278 is 8728744.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4478278.

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, 25800 + ... + 25972.

It is an arithmetic number, because the mean of its divisors is an integer number (329382).

Almost surely, 2^4478278 is an apocalyptic number.

4478278 is a deficient number, since it is larger than the sum of its proper divisors (3426890).

4478278 is a wasteful number, since it uses less digits than its factorization.

4478278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 225 counting only the distinct ones).

The product of its digits is 100352, while the sum is 40.

The square root of 4478278 is about 2116.1942254907. The cubic root of 4478278 is about 164.8302876984.

The spelling of 4478278 in words is "four million, four hundred seventy-eight thousand, two hundred seventy-eight".