4388879 has 4 divisors (see below), whose sum is σ = 4787880. Its totient is φ = 3989880.

The previous prime is 4388869. The next prime is 4388897. The reversal of 4388879 is 9788834.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4388879 is a prime.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199484 + ... + 199505.

It is an arithmetic number, because the mean of its divisors is an integer number (1196970).

Almost surely, 2^4388879 is an apocalyptic number.

4388879 is a deficient number, since it is larger than the sum of its proper divisors (399001).

4388879 is a wasteful number, since it uses less digits than its factorization.

4388879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399000.

The product of its digits is 387072, while the sum is 47.

The square root of 4388879 is about 2094.9651548415. The cubic root of 4388879 is about 163.7260820106.

It can be divided in two parts, 4 and 388879, that added together give a palindrome (388883).

The spelling of 4388879 in words is "four million, three hundred eighty-eight thousand, eight hundred seventy-nine".