3636887 has 4 divisors (see below), whose sum is σ = 3641616. Its totient is φ = 3632160.

The previous prime is 3636877. The next prime is 3636901. The reversal of 3636887 is 7886363.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3636887 - 2⁸ = 3636631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3636877) 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, 914 + ... + 2847.

It is an arithmetic number, because the mean of its divisors is an integer number (910404).

Almost surely, 2^3636887 is an apocalyptic number.

3636887 is a deficient number, since it is larger than the sum of its proper divisors (4729).

3636887 is an equidigital number, since it uses as much as digits as its factorization.

3636887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728.

The product of its digits is 145152, while the sum is 41.

The square root of 3636887 is about 1907.0624006571. The cubic root of 3636887 is about 153.7835690246.

The spelling of 3636887 in words is "three million, six hundred thirty-six thousand, eight hundred eighty-seven".