5806391 has 2 divisors, whose sum is σ = 5806392. Its totient is φ = 5806390.

The previous prime is 5806387. The next prime is 5806397. The reversal of 5806391 is 1936085.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5806391 - 2² = 5806387 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5806397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2903195 + 2903196.

It is an arithmetic number, because the mean of its divisors is an integer number (2903196).

Almost surely, 2^5806391 is an apocalyptic number.

5806391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5806391 is an equidigital number, since it uses as much as digits as its factorization.

5806391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5806391 is about 2409.6454095987. The cubic root of 5806391 is about 179.7361463399.

The spelling of 5806391 in words is "five million, eight hundred six thousand, three hundred ninety-one".