4478144 has 28 divisors (see below), whose sum is σ = 9695688. Its totient is φ = 2035200.

The previous prime is 4478137. The next prime is 4478153. The reversal of 4478144 is 4418744.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 4478144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2477 + ... + 3884.

Almost surely, 2^4478144 is an apocalyptic number.

4478144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4478144 is an abundant number, since it is smaller than the sum of its proper divisors (5217544).

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

4478144 is a wasteful number, since it uses less digits than its factorization.

4478144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384 (or 6374 counting only the distinct ones).

The product of its digits is 14336, while the sum is 32.

The square root of 4478144 is about 2116.1625646438. The cubic root of 4478144 is about 164.8286436529.

The spelling of 4478144 in words is "four million, four hundred seventy-eight thousand, one hundred forty-four".