4478404 has 36 divisors (see below), whose sum is σ = 9271164. Its totient is φ = 1886976.

The previous prime is 4478387. The next prime is 4478413. The reversal of 4478404 is 4048744.

It can be written as a sum of positive squares in 2 ways, for example, as 906304 + 3572100 = 952^2 + 1890^2 .

It is a super-2 number, since 2×4478404² = 40112204774432, which contains 22 as substring.

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, 14152 + ... + 14464.

Almost surely, 2^4478404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4478404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4635582).

4478404 is an abundant number, since it is smaller than the sum of its proper divisors (4792760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4478404 is a wasteful number, since it uses less digits than its factorization.

4478404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 4478404 is about 2116.2239957056. The cubic root of 4478404 is about 164.8318335620.

The spelling of 4478404 in words is "four million, four hundred seventy-eight thousand, four hundred four".