5991863 has 8 divisors (see below), whose sum is σ = 6244560. Its totient is φ = 5744320.

The previous prime is 5991857. The next prime is 5991883. The reversal of 5991863 is 3681995.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5991863 - 2¹² = 5987767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 5991863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181 + ... + 3657.

It is an arithmetic number, because the mean of its divisors is an integer number (780570).

Almost surely, 2^5991863 is an apocalyptic number.

5991863 is a deficient number, since it is larger than the sum of its proper divisors (252697).

5991863 is a wasteful number, since it uses less digits than its factorization.

5991863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577.

The product of its digits is 58320, while the sum is 41.

The square root of 5991863 is about 2447.8282210972. The cubic root of 5991863 is about 181.6298781757.

The spelling of 5991863 in words is "five million, nine hundred ninety-one thousand, eight hundred sixty-three".