6375399 has 8 divisors (see below), whose sum is σ = 8534640. Its totient is φ = 4233216.

The previous prime is 6375361. The next prime is 6375401. The reversal of 6375399 is 9935736.

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

It is not a de Polignac number, because 6375399 - 2⁸ = 6375143 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 6375399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6375319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3364 + ... + 4905.

It is an arithmetic number, because the mean of its divisors is an integer number (1066830).

Almost surely, 2^6375399 is an apocalyptic number.

6375399 is a deficient number, since it is larger than the sum of its proper divisors (2159241).

6375399 is a wasteful number, since it uses less digits than its factorization.

6375399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8529.

The product of its digits is 153090, while the sum is 42.

The square root of 6375399 is about 2524.9552471282. The cubic root of 6375399 is about 185.4253567839.

The spelling of 6375399 in words is "six million, three hundred seventy-five thousand, three hundred ninety-nine".