5218939 has 8 divisors (see below), whose sum is σ = 5993280. Its totient is φ = 4494600.

The previous prime is 5218937. The next prime is 5218951. The reversal of 5218939 is 9398125.

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

It is not a de Polignac number, because 5218939 - 2¹ = 5218937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5218898 and 5218907.

It is not an unprimeable number, because it can be changed into a prime (5218933) 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, 12277 + ... + 12694.

It is an arithmetic number, because the mean of its divisors is an integer number (749160).

Almost surely, 2^5218939 is an apocalyptic number.

5218939 is a deficient number, since it is larger than the sum of its proper divisors (774341).

5218939 is a wasteful number, since it uses less digits than its factorization.

5218939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25001.

The product of its digits is 19440, while the sum is 37.

The square root of 5218939 is about 2284.4997264171. The cubic root of 5218939 is about 173.4578957536.

The spelling of 5218939 in words is "five million, two hundred eighteen thousand, nine hundred thirty-nine".