5891881 has 8 divisors (see below), whose sum is σ = 6226400. Its totient is φ = 5575284.

The previous prime is 5891867. The next prime is 5891939. The reversal of 5891881 is 1881985.

It is not a de Polignac number, because 5891881 - 2⁵ = 5891849 is a prime.

It is a super-2 number, since 2×5891881² = 69428523436322, which contains 22 as substring.

It is a Duffinian number.

5891881 is a modest number, since divided by 1881 gives 589 as remainder.

It is not an unprimeable number, because it can be changed into a prime (5891981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6430 + ... + 7288.

It is an arithmetic number, because the mean of its divisors is an integer number (778300).

Almost surely, 2^5891881 is an apocalyptic number.

It is an amenable number.

5891881 is a deficient number, since it is larger than the sum of its proper divisors (334519).

5891881 is an frugal number, since it uses more digits than its factorization.

5891881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 878 counting only the distinct ones).

The product of its digits is 23040, while the sum is 40.

The square root of 5891881 is about 2427.3197152415. The cubic root of 5891881 is about 180.6139631192.

The spelling of 5891881 in words is "five million, eight hundred ninety-one thousand, eight hundred eighty-one".