4478744 has 32 divisors (see below), whose sum is σ = 8886240. Its totient is φ = 2112000.

The previous prime is 4478741. The next prime is 4478777.

It is a happy number.

4478744 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4478698 and 4478707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478741) 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, 18464 + ... + 18704.

It is an arithmetic number, because the mean of its divisors is an integer number (277695).

Almost surely, 2^4478744 is an apocalyptic number.

It is an amenable number.

4478744 is a deficient number, since it is larger than the sum of its proper divisors (4407496).

4478744 is a wasteful number, since it uses less digits than its factorization.

4478744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 367 counting only the distinct ones).

The product of its digits is 100352, while the sum is 38.

The square root of 4478744 is about 2116.3043259418. The cubic root of 4478744 is about 164.8360047955.

The spelling of 4478744 in words is "four million, four hundred seventy-eight thousand, seven hundred forty-four".