5439239 has 12 divisors (see below), whose sum is σ = 6012888. Its totient is φ = 4890480.

The previous prime is 5439233. The next prime is 5439253. The reversal of 5439239 is 9329345.

It is not a de Polignac number, because 5439239 - 2⁴ = 5439223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5439199 and 5439208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5439233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65492 + ... + 65574.

It is an arithmetic number, because the mean of its divisors is an integer number (501074).

Almost surely, 2^5439239 is an apocalyptic number.

5439239 is a deficient number, since it is larger than the sum of its proper divisors (573649).

5439239 is an equidigital number, since it uses as much as digits as its factorization.

5439239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 167 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The square root of 5439239 is about 2332.2176142033. The cubic root of 5439239 is about 175.8649855544.

It can be divided in two parts, 5439 and 239, that multiplied together give a palindrome (1299921).

The spelling of 5439239 in words is "five million, four hundred thirty-nine thousand, two hundred thirty-nine".