5638899 has 8 divisors (see below), whose sum is σ = 8592640. Its totient is φ = 3222216.

The previous prime is 5638873. The next prime is 5638939. The reversal of 5638899 is 9988365.

5638899 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5638899 - 2⁸ = 5638643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5638859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134239 + ... + 134280.

It is an arithmetic number, because the mean of its divisors is an integer number (1074080).

Almost surely, 2^5638899 is an apocalyptic number.

5638899 is a deficient number, since it is larger than the sum of its proper divisors (2953741).

5638899 is a wasteful number, since it uses less digits than its factorization.

5638899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268529.

The product of its digits is 466560, while the sum is 48.

The square root of 5638899 is about 2374.6366037775. The cubic root of 5638899 is about 177.9910255123.

The spelling of 5638899 in words is "five million, six hundred thirty-eight thousand, eight hundred ninety-nine".