4427938 has 16 divisors (see below), whose sum is σ = 6956280. Its totient is φ = 2111616.

The previous prime is 4427933. The next prime is 4427957. The reversal of 4427938 is 8397244.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4052169 + 375769 = 2013^2 + 613^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 4427897 and 4427906.

It is not an unprimeable number, because it can be changed into a prime (4427933) 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, 3358 + ... + 4486.

Almost surely, 2^4427938 is an apocalyptic number.

4427938 is a deficient number, since it is larger than the sum of its proper divisors (2528342).

4427938 is a wasteful number, since it uses less digits than its factorization.

4427938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its digits is 48384, while the sum is 37.

The square root of 4427938 is about 2104.2666180881. The cubic root of 4427938 is about 164.2103438230.

The spelling of 4427938 in words is "four million, four hundred twenty-seven thousand, nine hundred thirty-eight".