3613816 has 16 divisors (see below), whose sum is σ = 6796440. Its totient is φ = 1801440.

The previous prime is 3613811. The next prime is 3613837. The reversal of 3613816 is 6183163.

3613816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3613811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4051 + ... + 4861.

Almost surely, 2^3613816 is an apocalyptic number.

It is an amenable number.

3613816 is a deficient number, since it is larger than the sum of its proper divisors (3182624).

3613816 is a wasteful number, since it uses less digits than its factorization.

3613816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374 (or 1370 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 3613816 is about 1901.0039452879. The cubic root of 3613816 is about 153.4576978857.

Adding to 3613816 its reverse (6183163), we get a palindrome (9796979).

The spelling of 3613816 in words is "three million, six hundred thirteen thousand, eight hundred sixteen".