4438738 has 8 divisors (see below), whose sum is σ = 6686460. Its totient is φ = 2209920.

The previous prime is 4438703. The next prime is 4438739. The reversal of 4438738 is 8378344.

It can be written as a sum of positive squares in 2 ways, for example, as 4422609 + 16129 = 2103^2 + 127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4438697 and 4438706.

It is not an unprimeable number, because it can be changed into a prime (4438739) 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, 4123 + ... + 5086.

Almost surely, 2^4438738 is an apocalyptic number.

4438738 is a deficient number, since it is larger than the sum of its proper divisors (2247722).

4438738 is a wasteful number, since it uses less digits than its factorization.

4438738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452.

The product of its digits is 64512, while the sum is 37.

The square root of 4438738 is about 2106.8312699407. The cubic root of 4438738 is about 164.3437416406.

The spelling of 4438738 in words is "four million, four hundred thirty-eight thousand, seven hundred thirty-eight".