3486631 has 2 divisors, whose sum is σ = 3486632. Its totient is φ = 3486630.

The previous prime is 3486629. The next prime is 3486643. The reversal of 3486631 is 1366843.

It is a weak prime.

It is an emirp because it is prime and its reverse (1366843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3486631 - 2¹ = 3486629 is a prime.

It is a super-2 number, since 2×3486631² = 24313191460322, which contains 22 as substring.

Together with 3486629, it forms a pair of twin primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹² + 4 + 8⁷ + 6⁶ + 6⁷ + 3¹² + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 3486593 and 3486602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3486611) 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 as a sum of consecutive naturals, namely, 1743315 + 1743316.

It is an arithmetic number, because the mean of its divisors is an integer number (1743316).

Almost surely, 2^3486631 is an apocalyptic number.

3486631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3486631 is an equidigital number, since it uses as much as digits as its factorization.

3486631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 3486631 is about 1867.2522593372. The cubic root of 3486631 is about 151.6358868961.

The spelling of 3486631 in words is "three million, four hundred eighty-six thousand, six hundred thirty-one".