6400795 has 4 divisors (see below), whose sum is σ = 7680960. Its totient is φ = 5120632.

The previous prime is 6400763. The next prime is 6400799. The reversal of 6400795 is 5970046.

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 6400795 - 2⁵ = 6400763 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6400799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640075 + ... + 640084.

It is an arithmetic number, because the mean of its divisors is an integer number (1920240).

Almost surely, 2^6400795 is an apocalyptic number.

6400795 is a deficient number, since it is larger than the sum of its proper divisors (1280165).

6400795 is a wasteful number, since it uses less digits than its factorization.

6400795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280164.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 6400795 is about 2529.9792489268. The cubic root of 6400795 is about 185.6712406577.

The spelling of 6400795 in words is "six million, four hundred thousand, seven hundred ninety-five".