47867 has 4 divisors (see below), whose sum is σ = 48336. Its totient is φ = 47400.

The previous prime is 47857. The next prime is 47869. The reversal of 47867 is 76874.

47867 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^{k}-47867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47869) 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, 8 + ... + 309.

It is an arithmetic number, because the mean of its divisors is an integer number (12084).

2^{47867} is an apocalyptic number.

47867 is a deficient number, since it is larger than the sum of its proper divisors (469).

47867 is a wasteful number, since it uses less digits than its factorization.

47867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its digits is 9408, while the sum is 32.

The square root of 47867 is about 218.7852828688. The cubic root of 47867 is about 36.3088145513.

Adding to 47867 its product of digits (9408), we get a palindrome (57275).

It can be divided in two parts, 478 and 67, that added together give a palindrome (545).

The spelling of 47867 in words is "forty-seven thousand, eight hundred sixty-seven".

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.032 sec. • engine limits •