5188986 has 48 divisors (see below), whose sum is σ = 12467520. Its totient is φ = 1546560.

The previous prime is 5188979. The next prime is 5189027. The reversal of 5188986 is 6898815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14275 + ... + 14633.

It is an arithmetic number, because the mean of its divisors is an integer number (259740).

Almost surely, 2^5188986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5188986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6233760).

5188986 is an abundant number, since it is smaller than the sum of its proper divisors (7278534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5188986 is a wasteful number, since it uses less digits than its factorization.

5188986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 448 counting only the distinct ones).

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

The square root of 5188986 is about 2277.9345908081. The cubic root of 5188986 is about 173.1254172033.

Adding to 5188986 its sum of digits (45), we get a triangular number (5189031 = T₃₂₂₁).

The spelling of 5188986 in words is "five million, one hundred eighty-eight thousand, nine hundred eighty-six".