4428117 has 6 divisors (see below), whose sum is σ = 6396182. Its totient is φ = 2952072.

The previous prime is 4428113. The next prime is 4428139. The reversal of 4428117 is 7118244.

It can be written as a sum of positive squares in only one way, i.e., 3896676 + 531441 = 1974^2 + 729^2 .

It is not a de Polignac number, because 4428117 - 2² = 4428113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245998 + ... + 246015.

Almost surely, 2^4428117 is an apocalyptic number.

It is an amenable number.

4428117 is a deficient number, since it is larger than the sum of its proper divisors (1968065).

4428117 is a wasteful number, since it uses less digits than its factorization.

4428117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492019 (or 492016 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 4428117 is about 2104.3091502914. The cubic root of 4428117 is about 164.2125565350.

The spelling of 4428117 in words is "four million, four hundred twenty-eight thousand, one hundred seventeen".