6428695 has 32 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 3991680.

The previous prime is 6428693. The next prime is 6428731. The reversal of 6428695 is 5968246.

It is a happy number.

It is not a de Polignac number, because 6428695 - 2¹ = 6428693 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 (6428693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32206 + ... + 32404.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^6428695 is an apocalyptic number.

6428695 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6428695 is a deficient number, since it is larger than the sum of its proper divisors (3248105).

6428695 is a wasteful number, since it uses less digits than its factorization.

6428695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295.

The product of its digits is 103680, while the sum is 40.

The square root of 6428695 is about 2535.4871326828. The cubic root of 6428695 is about 185.9406196544.

The spelling of 6428695 in words is "six million, four hundred twenty-eight thousand, six hundred ninety-five".