6428895 has 32 divisors (see below), whose sum is σ = 11473920. Its totient is φ = 3047040.

The previous prime is 6428879. The next prime is 6428921. The reversal of 6428895 is 5988246.

6428895 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 6428895 - 2⁴ = 6428879 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7341 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (358560).

Almost surely, 2^6428895 is an apocalyptic number.

6428895 is a deficient number, since it is larger than the sum of its proper divisors (5045025).

6428895 is a wasteful number, since it uses less digits than its factorization.

6428895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895.

The product of its digits is 138240, while the sum is 42.

The square root of 6428895 is about 2535.5265725289. The cubic root of 6428895 is about 185.9425478704.

The spelling of 6428895 in words is "six million, four hundred twenty-eight thousand, eight hundred ninety-five".