48638 has 8 divisors (see below), whose sum is σ = 74088. Its totient is φ = 23944.

The previous prime is 48623. The next prime is 48647. The reversal of 48638 is 83684.

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

It is a self number, because there is not a number n which added to its sum of digits gives 48638.

It is a congruent number.

It is an unprimeable number.

48638 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20 + ... + 312.

It is an arithmetic number, because the mean of its divisors is an integer number (9261).

2⁴⁸⁶³⁸ is an apocalyptic number.

48638 is a deficient number, since it is larger than the sum of its proper divisors (25450).

48638 is a wasteful number, since it uses less digits than its factorization.

48638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378.

The product of its digits is 4608, while the sum is 29.

The square root of 48638 is about 220.5402457603. The cubic root of 48638 is about 36.5027207580.

It can be divided in two parts, 48 and 638, that added together give a palindrome (686).

The spelling of 48638 in words is "forty-eight thousand, six hundred thirty-eight".