3636487 has 6 divisors (see below), whose sum is σ = 3863288. Its totient is φ = 3422304.

The previous prime is 3636481. The next prime is 3636491. The reversal of 3636487 is 7846363.

It is a happy number.

It is not a de Polignac number, because 3636487 - 2⁷ = 3636359 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 (3636481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6003 + ... + 6580.

Almost surely, 2^3636487 is an apocalyptic number.

3636487 is a deficient number, since it is larger than the sum of its proper divisors (226801).

3636487 is a wasteful number, since it uses less digits than its factorization.

3636487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12617 (or 12600 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 3636487 is about 1906.9575244352. The cubic root of 3636487 is about 153.7779308985. Note that the first 3 decimals are identical.

The spelling of 3636487 in words is "three million, six hundred thirty-six thousand, four hundred eighty-seven".