5893991 has 4 divisors (see below), whose sum is σ = 5898912. Its totient is φ = 5889072.

The previous prime is 5893973. The next prime is 5893997. The reversal of 5893991 is 1993985.

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-5893991 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5893997) 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, 635 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (1474728).

Almost surely, 2^5893991 is an apocalyptic number.

5893991 is a deficient number, since it is larger than the sum of its proper divisors (4921).

5893991 is a wasteful number, since it uses less digits than its factorization.

5893991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920.

The product of its digits is 87480, while the sum is 44.

The square root of 5893991 is about 2427.7543121164. The cubic root of 5893991 is about 180.6355210324.

It can be divided in two parts, 58 and 93991, that added together give a palindrome (94049).

The spelling of 5893991 in words is "five million, eight hundred ninety-three thousand, nine hundred ninety-one".