3636671 has 4 divisors (see below), whose sum is σ = 3640512. Its totient is φ = 3632832.

The previous prime is 3636667. The next prime is 3636683. The reversal of 3636671 is 1766363.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3636671 - 2² = 3636667 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 (3636631) 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, 626 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (910128).

Almost surely, 2^3636671 is an apocalyptic number.

3636671 is a deficient number, since it is larger than the sum of its proper divisors (3841).

3636671 is a wasteful number, since it uses less digits than its factorization.

3636671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840.

The product of its digits is 13608, while the sum is 32.

The square root of 3636671 is about 1907.0057682136. The cubic root of 3636671 is about 153.7805244879.

The spelling of 3636671 in words is "three million, six hundred thirty-six thousand, six hundred seventy-one".