4478916 has 24 divisors (see below), whose sum is σ = 11255104. Its totient is φ = 1378080.

The previous prime is 4478899. The next prime is 4478917. The reversal of 4478916 is 6198744.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (4478917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14200 + ... + 14511.

Almost surely, 2^4478916 is an apocalyptic number.

It is an amenable number.

4478916 is an abundant number, since it is smaller than the sum of its proper divisors (6776188).

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

4478916 is a wasteful number, since it uses less digits than its factorization.

4478916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28731 (or 28729 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 4478916 is about 2116.3449624293. The cubic root of 4478916 is about 164.8381148684.

The spelling of 4478916 in words is "four million, four hundred seventy-eight thousand, nine hundred sixteen".