5667839 has 4 divisors (see below), whose sum is σ = 5673024. Its totient is φ = 5662656.

The previous prime is 5667803. The next prime is 5667841. The reversal of 5667839 is 9387665.

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-5667839 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 5667839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5667869) 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, 242 + ... + 3375.

It is an arithmetic number, because the mean of its divisors is an integer number (1418256).

Almost surely, 2^5667839 is an apocalyptic number.

5667839 is a deficient number, since it is larger than the sum of its proper divisors (5185).

5667839 is a wasteful number, since it uses less digits than its factorization.

5667839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184.

The product of its digits is 272160, while the sum is 44.

The square root of 5667839 is about 2380.7223693661. The cubic root of 5667839 is about 178.2950017089.

The spelling of 5667839 in words is "five million, six hundred sixty-seven thousand, eight hundred thirty-nine".