4478736 has 20 divisors (see below), whose sum is σ = 11570192. Its totient is φ = 1492896.

The previous prime is 4478707. The next prime is 4478741. The reversal of 4478736 is 6378744.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4478694 and 4478703.

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, 46606 + ... + 46701.

Almost surely, 2^4478736 is an apocalyptic number.

It is an amenable number.

4478736 is an abundant number, since it is smaller than the sum of its proper divisors (7091456).

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

4478736 is a wasteful number, since it uses less digits than its factorization.

4478736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93318 (or 93312 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 4478736 is about 2116.3024358536. The cubic root of 4478736 is about 164.8359066512.

The spelling of 4478736 in words is "four million, four hundred seventy-eight thousand, seven hundred thirty-six".