5644636 has 6 divisors (see below), whose sum is σ = 9878120. Its totient is φ = 2822316.

The previous prime is 5644627. The next prime is 5644643. The reversal of 5644636 is 6364465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705576 + ... + 705583.

Almost surely, 2^5644636 is an apocalyptic number.

It is an amenable number.

5644636 is a deficient number, since it is larger than the sum of its proper divisors (4233484).

5644636 is a wasteful number, since it uses less digits than its factorization.

5644636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411163 (or 1411161 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 5644636 is about 2375.8442709908. The cubic root of 5644636 is about 178.0513675760.

The spelling of 5644636 in words is "five million, six hundred forty-four thousand, six hundred thirty-six".