4478849 has 4 divisors (see below), whose sum is σ = 4623360. Its totient is φ = 4334340.

The previous prime is 4478843. The next prime is 4478857. The reversal of 4478849 is 9488744.

4478849 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4478849 - 2⁴ = 4478833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4478843) 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, 72209 + ... + 72270.

It is an arithmetic number, because the mean of its divisors is an integer number (1155840).

Almost surely, 2^4478849 is an apocalyptic number.

It is an amenable number.

4478849 is a deficient number, since it is larger than the sum of its proper divisors (144511).

4478849 is a wasteful number, since it uses less digits than its factorization.

4478849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144510.

The product of its digits is 258048, while the sum is 44.

The square root of 4478849 is about 2116.3291331927. The cubic root of 4478849 is about 164.8372929278.

The spelling of 4478849 in words is "four million, four hundred seventy-eight thousand, eight hundred forty-nine".