5231686 has 8 divisors (see below), whose sum is σ = 7858080. Its totient is φ = 2612328.

The previous prime is 5231671. The next prime is 5231701. The reversal of 5231686 is 6861325.

It is an interprime number because it is at equal distance from previous prime (5231671) and next prime (5231701).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915 + ... + 3361.

It is an arithmetic number, because the mean of its divisors is an integer number (982260).

Almost surely, 2^5231686 is an apocalyptic number.

5231686 is a deficient number, since it is larger than the sum of its proper divisors (2626394).

5231686 is a wasteful number, since it uses less digits than its factorization.

5231686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518.

The product of its digits is 8640, while the sum is 31.

The square root of 5231686 is about 2287.2879136654. The cubic root of 5231686 is about 173.5990017073.

It can be divided in two parts, 523 and 1686, that added together give a square (2209 = 47²).

The spelling of 5231686 in words is "five million, two hundred thirty-one thousand, six hundred eighty-six".