2438 has 8 divisors (see below), whose sum is σ = 3888.
Its totient is φ = 1144.
The previous prime is 2437. The next prime is 2441. The reversal of 2438 is 8342.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a plaindrome in base 13.
It is a nialpdrome in base 14 and base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2437) 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 in 3 ways as a sum of consecutive naturals, for example, 20 + ... + 72.
It is an arithmetic number, because the mean of its divisors is an integer number (486).
2438 is a deficient number, since it is larger than the sum of its proper divisors (1450).
2438 is a wasteful number, since it uses less digits than its factorization.
2438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78.
The product of its digits is 192, while the sum is 17.
The square root of 2438 is about 49.3761075825.
The cubic root of 2438 is about 13.4589516746.
The spelling of 2438 in words is "two thousand, four hundred thirty-eight".