4938639 has 8 divisors (see below), whose sum is σ = 6597552. Its totient is φ = 3286080.

The previous prime is 4938623. The next prime is 4938643. The reversal of 4938639 is 9368394.

4938639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4938639 - 2⁴ = 4938623 is a prime.

It is a super-3 number, since 3×4938639³ (a number of 21 digits) contains 333 as substring.

4938639 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4938639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4938139) 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, 699 + ... + 3219.

It is an arithmetic number, because the mean of its divisors is an integer number (824694).

Almost surely, 2^4938639 is an apocalyptic number.

4938639 is a deficient number, since it is larger than the sum of its proper divisors (1658913).

4938639 is a wasteful number, since it uses less digits than its factorization.

4938639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177.

The product of its digits is 139968, while the sum is 42.

The square root of 4938639 is about 2222.3048845737. The cubic root of 4938639 is about 170.2952079461.

The spelling of 4938639 in words is "four million, nine hundred thirty-eight thousand, six hundred thirty-nine".