5987891 has 16 divisors (see below), whose sum is σ = 7627200. Its totient is φ = 4572288.

The previous prime is 5987873. The next prime is 5987897. The reversal of 5987891 is 1987895.

It is a happy number.

It is not a de Polignac number, because 5987891 - 2¹⁰ = 5986867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5987897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1505 + ... + 3773.

It is an arithmetic number, because the mean of its divisors is an integer number (476700).

Almost surely, 2^5987891 is an apocalyptic number.

5987891 is a deficient number, since it is larger than the sum of its proper divisors (1639309).

5987891 is a wasteful number, since it uses less digits than its factorization.

5987891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

The product of its digits is 181440, while the sum is 47.

The square root of 5987891 is about 2447.0167551531. The cubic root of 5987891 is about 181.5897352158.

The spelling of 5987891 in words is "five million, nine hundred eighty-seven thousand, eight hundred ninety-one".