24842 has 4 divisors (see below), whose sum is σ = 37266.
Its totient is φ = 12420.
The previous prime is 24841. The next prime is 24847.
24842 is nontrivially palindromic in base 10.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 14641 + 10201 = 121^2 + 101^2
It is a d-powerful number, because it can be written as 2 + 44 + 8 + 47 + 213 .
It is not an unprimeable number, because it can be changed into a prime (24841) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209 + ... + 6212.
224842 is an apocalyptic number.
24842 is a deficient number, since it is larger than the sum of its proper divisors (12424).
24842 is a wasteful number, since it uses less digits than its factorization.
24842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12423.
The product of its digits is 512, while the sum is 20.
The square root of 24842 is about 157.6134512026.
The cubic root of 24842 is about 29.1784478483.
The spelling of 24842 in words is "twenty-four thousand, eight hundred forty-two".