5644899 has 12 divisors (see below), whose sum is σ = 8781136. Its totient is φ = 3473712.

The previous prime is 5644889. The next prime is 5644907. The reversal of 5644899 is 9984465.

It is a happy number.

5644899 is a `hidden beast` number, since 564 + 4 + 89 + 9 = 666.

It is not a de Polignac number, because 5644899 - 2⁸ = 5644643 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5644829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24007 + ... + 24240.

Almost surely, 2^5644899 is an apocalyptic number.

5644899 is a deficient number, since it is larger than the sum of its proper divisors (3136237).

5644899 is a wasteful number, since it uses less digits than its factorization.

5644899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48266 (or 48263 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 5644899 is about 2375.8996190917. The cubic root of 5644899 is about 178.0541328434.

The spelling of 5644899 in words is "five million, six hundred forty-four thousand, eight hundred ninety-nine".