4478266 has 16 divisors (see below), whose sum is σ = 7412328. Its totient is φ = 2016000.

The previous prime is 4478251. The next prime is 4478269. The reversal of 4478266 is 6628744.

It can be written as a sum of positive squares in 4 ways, for example, as 772641 + 3705625 = 879^2 + 1925^2 .

It is not an unprimeable number, because it can be changed into a prime (4478269) 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, 1035 + ... + 3166.

Almost surely, 2^4478266 is an apocalyptic number.

4478266 is a deficient number, since it is larger than the sum of its proper divisors (2934062).

4478266 is a wasteful number, since it uses less digits than its factorization.

4478266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257.

The product of its digits is 64512, while the sum is 37.

The square root of 4478266 is about 2116.1913902103. The cubic root of 4478266 is about 164.8301404718.

The spelling of 4478266 in words is "four million, four hundred seventy-eight thousand, two hundred sixty-six".