3688536 has 16 divisors (see below), whose sum is σ = 9221400. Its totient is φ = 1229504.

The previous prime is 3688519. The next prime is 3688537. The reversal of 3688536 is 6358863.

It is a junction number, because it is equal to n+sod(n) for n = 3688494 and 3688503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688537) 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, 76821 + ... + 76868.

Almost surely, 2^3688536 is an apocalyptic number.

It is an amenable number.

3688536 is an abundant number, since it is smaller than the sum of its proper divisors (5532864).

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

3688536 is a wasteful number, since it uses less digits than its factorization.

3688536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153698 (or 153694 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 3688536 is about 1920.5561694468. The cubic root of 3688536 is about 154.5081320800.

It can be divided in two parts, 3688 and 536, that added together give a palindrome (4224).

The spelling of 3688536 in words is "three million, six hundred eighty-eight thousand, five hundred thirty-six".