5867986 has 4 divisors (see below), whose sum is σ = 8801982. Its totient is φ = 2933992.

The previous prime is 5867971. The next prime is 5867989. The reversal of 5867986 is 6897685.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4473225 + 1394761 = 2115^2 + 1181^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5867989) 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 as a sum of consecutive naturals, namely, 1466995 + ... + 1466998.

Almost surely, 2^5867986 is an apocalyptic number.

5867986 is a deficient number, since it is larger than the sum of its proper divisors (2933996).

5867986 is a wasteful number, since it uses less digits than its factorization.

5867986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933995.

The product of its digits is 725760, while the sum is 49.

The square root of 5867986 is about 2422.3926188791. The cubic root of 5867986 is about 180.3694674508.

The spelling of 5867986 in words is "five million, eight hundred sixty-seven thousand, nine hundred eighty-six".