3687836 has 6 divisors (see below), whose sum is σ = 6453720. Its totient is φ = 1843916.

The previous prime is 3687833. The next prime is 3687839. The reversal of 3687836 is 6387863.

It is an interprime number because it is at equal distance from previous prime (3687833) and next prime (3687839).

It is a junction number, because it is equal to n+sod(n) for n = 3687793 and 3687802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460976 + ... + 460983.

It is an arithmetic number, because the mean of its divisors is an integer number (1075620).

Almost surely, 2^3687836 is an apocalyptic number.

It is an amenable number.

3687836 is a deficient number, since it is larger than the sum of its proper divisors (2765884).

3687836 is a wasteful number, since it uses less digits than its factorization.

3687836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921963 (or 921961 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 3687836 is about 1920.3739219225. The cubic root of 3687836 is about 154.4983574219.

The spelling of 3687836 in words is "three million, six hundred eighty-seven thousand, eight hundred thirty-six".