4338639 has 6 divisors (see below), whose sum is σ = 6266936. Its totient is φ = 2892420.

The previous prime is 4338629. The next prime is 4338643. The reversal of 4338639 is 9368334.

It is not a de Polignac number, because 4338639 - 2⁴ = 4338623 is a prime.

It is a super-3 number, since 3×4338639³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4338629) 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, 241027 + ... + 241044.

Almost surely, 2^4338639 is an apocalyptic number.

4338639 is a deficient number, since it is larger than the sum of its proper divisors (1928297).

4338639 is a wasteful number, since it uses less digits than its factorization.

4338639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482077 (or 482074 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 4338639 is about 2082.9399895340. The cubic root of 4338639 is about 163.0989525504.

The spelling of 4338639 in words is "four million, three hundred thirty-eight thousand, six hundred thirty-nine".