5081986 has 24 divisors (see below), whose sum is σ = 9552060. Its totient is φ = 2009952.

The previous prime is 5081983. The next prime is 5082001. The reversal of 5081986 is 6891805.

It can be written as a sum of positive squares in 2 ways, for example, as 4862025 + 219961 = 2205^2 + 469^2 .

It is not an unprimeable number, because it can be changed into a prime (5081981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721 + ... + 3268.

Almost surely, 2^5081986 is an apocalyptic number.

5081986 is a deficient number, since it is larger than the sum of its proper divisors (4470074).

5081986 is a wasteful number, since it uses less digits than its factorization.

5081986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018 (or 4011 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 5081986 is about 2254.3260633724. The cubic root of 5081986 is about 171.9271595302.

It can be divided in two parts, 50819 and 86, that added together give a palindrome (50905).

The spelling of 5081986 in words is "five million, eighty-one thousand, nine hundred eighty-six".