48842 has 4 divisors (see below), whose sum is σ = 73266. Its totient is φ = 24420.

The previous prime is 48823. The next prime is 48847. The reversal of 48842 is 24884.

It is a Cunningham number, because it is equal to 221²+1.

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., 48841 + 1 = 221^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (48847) by changing a digit.

48842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12209 + ... + 12212.

2⁴⁸⁸⁴² is an apocalyptic number.

48842 is a deficient number, since it is larger than the sum of its proper divisors (24424).

48842 is a wasteful number, since it uses less digits than its factorization.

48842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24423.

The product of its digits is 2048, while the sum is 26.

The square root of 48842 is about 221.0022624319. The cubic root of 48842 is about 36.5536834368.

The spelling of 48842 in words is "forty-eight thousand, eight hundred forty-two".