5281686 has 20 divisors (see below), whose sum is σ = 11835252. Its totient is φ = 1760508.

The previous prime is 5281681. The next prime is 5281693. The reversal of 5281686 is 6861825.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5281686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281681) 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 9 ways as a sum of consecutive naturals, for example, 16140 + ... + 16463.

Almost surely, 2^5281686 is an apocalyptic number.

5281686 is an abundant number, since it is smaller than the sum of its proper divisors (6553566).

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

5281686 is a wasteful number, since it uses less digits than its factorization.

5281686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32617 (or 32608 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 5281686 is about 2298.1918979929. The cubic root of 5281686 is about 174.1502863294.

The spelling of 5281686 in words is "five million, two hundred eighty-one thousand, six hundred eighty-six".