5986881 has 24 divisors (see below), whose sum is σ = 9201920. Its totient is φ = 3740256.

The previous prime is 5986879. The next prime is 5986889. The reversal of 5986881 is 1886895.

It is not a de Polignac number, because 5986881 - 2¹ = 5986879 is a prime.

It is a super-2 number, since 2×5986881² = 71685488216322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5986889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26736 + ... + 26958.

Almost surely, 2^5986881 is an apocalyptic number.

5986881 is the 1413-rd octagonal number.

It is an amenable number.

5986881 is a deficient number, since it is larger than the sum of its proper divisors (3215039).

5986881 is a wasteful number, since it uses less digits than its factorization.

5986881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 402 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 5986881 is about 2446.8103727097. The cubic root of 5986881 is about 181.5795248348.

The spelling of 5986881 in words is "five million, nine hundred eighty-six thousand, eight hundred eighty-one".