3686536 has 16 divisors (see below), whose sum is σ = 7899840. Its totient is φ = 1579920.

The previous prime is 3686531. The next prime is 3686537. The reversal of 3686536 is 6356863.

It is a junction number, because it is equal to n+sod(n) for n = 3686495 and 3686504.

It is not an unprimeable number, because it can be changed into a prime (3686531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32860 + ... + 32971.

It is an arithmetic number, because the mean of its divisors is an integer number (493740).

Almost surely, 2^3686536 is an apocalyptic number.

It is an amenable number.

3686536 is an abundant number, since it is smaller than the sum of its proper divisors (4213304).

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

3686536 is a wasteful number, since it uses less digits than its factorization.

3686536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65844 (or 65840 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 3686536 is about 1920.0354163400. The cubic root of 3686536 is about 154.4802012033.

The spelling of 3686536 in words is "three million, six hundred eighty-six thousand, five hundred thirty-six".