3636736 has 20 divisors (see below), whose sum is σ = 7267392. Its totient is φ = 1818112.

The previous prime is 3636709. The next prime is 3636757. The reversal of 3636736 is 6376363.

3636736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3040 + ... + 4063.

Almost surely, 2^3636736 is an apocalyptic number.

It is an amenable number.

3636736 is a deficient number, since it is larger than the sum of its proper divisors (3630656).

3636736 is an frugal number, since it uses more digits than its factorization.

3636736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7121 (or 7105 counting only the distinct ones).

The product of its digits is 40824, while the sum is 34.

The square root of 3636736 is about 1907.0228105610. The cubic root of 3636736 is about 153.7814406806.

The spelling of 3636736 in words is "three million, six hundred thirty-six thousand, seven hundred thirty-six".