3686031 has 12 divisors (see below), whose sum is σ = 5341752. Its totient is φ = 2449296.

The previous prime is 3686029. The next prime is 3686063. The reversal of 3686031 is 1306863.

It is not a de Polignac number, because 3686031 - 2¹ = 3686029 is a prime.

It is a super-2 number, since 2×3686031² = 27173649065922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3685986 and 3686004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3686071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3765 + ... + 4641.

It is an arithmetic number, because the mean of its divisors is an integer number (445146).

Almost surely, 2^3686031 is an apocalyptic number.

3686031 is a deficient number, since it is larger than the sum of its proper divisors (1655721).

3686031 is a wasteful number, since it uses less digits than its factorization.

3686031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3686031 is about 1919.9039038452. The cubic root of 3686031 is about 154.4731470596.

The spelling of 3686031 in words is "three million, six hundred eighty-six thousand, thirty-one".