4478242 has 8 divisors (see below), whose sum is σ = 7112556. Its totient is φ = 2107392.

The previous prime is 4478237. The next prime is 4478249. The reversal of 4478242 is 2428744.

It can be written as a sum of positive squares in 2 ways, for example, as 4198401 + 279841 = 2049^2 + 529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (4478249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65823 + ... + 65890.

Almost surely, 2^4478242 is an apocalyptic number.

4478242 is a deficient number, since it is larger than the sum of its proper divisors (2634314).

4478242 is a wasteful number, since it uses less digits than its factorization.

4478242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131732.

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

The square root of 4478242 is about 2116.1857196380. The cubic root of 4478242 is about 164.8298460177.

The spelling of 4478242 in words is "four million, four hundred seventy-eight thousand, two hundred forty-two".