3613836 has 12 divisors (see below), whose sum is σ = 8432312. Its totient is φ = 1204608.

The previous prime is 3613811. The next prime is 3613837. The reversal of 3613836 is 6383163.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3613837) 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, 150565 + ... + 150588.

Almost surely, 2^3613836 is an apocalyptic number.

It is an amenable number.

3613836 is an abundant number, since it is smaller than the sum of its proper divisors (4818476).

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

3613836 is a wasteful number, since it uses less digits than its factorization.

3613836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301160 (or 301158 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 3613836 is about 1901.0092056589. The cubic root of 3613836 is about 153.4579809797.

Adding to 3613836 its reverse (6383163), we get a palindrome (9996999).

The spelling of 3613836 in words is "three million, six hundred thirteen thousand, eight hundred thirty-six".