48709 has 4 divisors (see below), whose sum is σ = 49504. Its totient is φ = 47916.

The previous prime is 48679. The next prime is 48731. The reversal of 48709 is 90784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a 3-Lehmer number, since φ(48709) divides (48709-1)³.

It is a cyclic number.

It is not a de Polignac number, because 48709 - 2⁵ = 48677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297 + ... + 430.

It is an arithmetic number, because the mean of its divisors is an integer number (12376).

2⁴⁸⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

48709 is a deficient number, since it is larger than the sum of its proper divisors (795).

48709 is an equidigital number, since it uses as much as digits as its factorization.

48709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 48709 is about 220.7011554116. The cubic root of 48709 is about 36.5204739078.

It can be divided in two parts, 48 and 709, that added together give a palindrome (757).

The spelling of 48709 in words is "forty-eight thousand, seven hundred nine".