6398799 has 16 divisors (see below), whose sum is σ = 9408000. Its totient is φ = 3836160.

The previous prime is 6398797. The next prime is 6398809. The reversal of 6398799 is 9978936.

6398799 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6398799 - 2¹ = 6398797 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6398797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2202 + ... + 4200.

It is an arithmetic number, because the mean of its divisors is an integer number (588000).

Almost surely, 2^6398799 is an apocalyptic number.

6398799 is a deficient number, since it is larger than the sum of its proper divisors (3009201).

6398799 is a wasteful number, since it uses less digits than its factorization.

6398799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110.

The product of its digits is 734832, while the sum is 51.

The square root of 6398799 is about 2529.5847485309. The cubic root of 6398799 is about 185.6519389759.

The spelling of 6398799 in words is "six million, three hundred ninety-eight thousand, seven hundred ninety-nine".