5257686 has 16 divisors (see below), whose sum is σ = 12017664. Its totient is φ = 1502184.

The previous prime is 5257627. The next prime is 5257711. The reversal of 5257686 is 6867525.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 62550 + ... + 62633.

It is an arithmetic number, because the mean of its divisors is an integer number (751104).

Almost surely, 2^5257686 is an apocalyptic number.

5257686 is an abundant number, since it is smaller than the sum of its proper divisors (6759978).

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

5257686 is a wasteful number, since it uses less digits than its factorization.

5257686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125195.

The product of its digits is 100800, while the sum is 39.

The square root of 5257686 is about 2292.9644567677. The cubic root of 5257686 is about 173.8861059383.

The spelling of 5257686 in words is "five million, two hundred fifty-seven thousand, six hundred eighty-six".