4427636 has 6 divisors (see below), whose sum is σ = 7748370. Its totient is φ = 2213816.

The previous prime is 4427629. The next prime is 4427639. The reversal of 4427636 is 6367244.

It can be written as a sum of positive squares in only one way, i.e., 4368100 + 59536 = 2090^2 + 244^2 .

It is a d-powerful number, because it can be written as 4³ + 4¹⁰ + 2⁵ + 7² + 6⁸ + 3⁹ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4427639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553451 + ... + 553458.

It is an arithmetic number, because the mean of its divisors is an integer number (1291395).

Almost surely, 2^4427636 is an apocalyptic number.

It is an amenable number.

4427636 is a deficient number, since it is larger than the sum of its proper divisors (3320734).

4427636 is a wasteful number, since it uses less digits than its factorization.

4427636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106913 (or 1106911 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 4427636 is about 2104.1948578970. The cubic root of 4427636 is about 164.2066105088.

The spelling of 4427636 in words is "four million, four hundred twenty-seven thousand, six hundred thirty-six".