49239 has 6 divisors (see below), whose sum is σ = 71136. Its totient is φ = 32820.

The previous prime is 49223. The next prime is 49253. The reversal of 49239 is 93294.

49239 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 49239 - 2⁴ = 49223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2727 + ... + 2744.

It is an arithmetic number, because the mean of its divisors is an integer number (11856).

2⁴⁹²³⁹ is an apocalyptic number.

49239 is a deficient number, since it is larger than the sum of its proper divisors (21897).

49239 is a wasteful number, since it uses less digits than its factorization.

49239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477 (or 5474 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 49239 is about 221.8986255027. The cubic root of 49239 is about 36.6524554661.

It can be divided in two parts, 49 and 239, that multiplied together give a palindrome (11711).

The spelling of 49239 in words is "forty-nine thousand, two hundred thirty-nine".