6398395 has 4 divisors (see below), whose sum is σ = 7678080. Its totient is φ = 5118712.

The previous prime is 6398389. The next prime is 6398417. The reversal of 6398395 is 5938936.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6398395 - 2⁷ = 6398267 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639835 + ... + 639844.

It is an arithmetic number, because the mean of its divisors is an integer number (1919520).

Almost surely, 2^6398395 is an apocalyptic number.

6398395 is a deficient number, since it is larger than the sum of its proper divisors (1279685).

6398395 is a wasteful number, since it uses less digits than its factorization.

6398395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279684.

The product of its digits is 174960, while the sum is 43.

The square root of 6398395 is about 2529.5048922665. The cubic root of 6398395 is about 185.6480317343.

The spelling of 6398395 in words is "six million, three hundred ninety-eight thousand, three hundred ninety-five".