4388839 has 16 divisors (see below), whose sum is σ = 5721408. Its totient is φ = 3267072.

The previous prime is 4388827. The next prime is 4388843. The reversal of 4388839 is 9388834.

It is a cyclic number.

It is not a de Polignac number, because 4388839 - 2⁷ = 4388711 is a prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4388795 and 4388804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4388869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129 + ... + 2965.

It is an arithmetic number, because the mean of its divisors is an integer number (357588).

Almost surely, 2^4388839 is an apocalyptic number.

4388839 is a deficient number, since it is larger than the sum of its proper divisors (1332569).

4388839 is a wasteful number, since it uses less digits than its factorization.

4388839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874.

The product of its digits is 165888, while the sum is 43.

The square root of 4388839 is about 2094.9556081216. The cubic root of 4388839 is about 163.7255846122.

The spelling of 4388839 in words is "four million, three hundred eighty-eight thousand, eight hundred thirty-nine".