6397285 has 4 divisors (see below), whose sum is σ = 7676748. Its totient is φ = 5117824.

The previous prime is 6397283. The next prime is 6397291. The reversal of 6397285 is 5827936.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2211169 + 4186116 = 1487^2 + 2046^2 .

It is a cyclic number.

It is not a de Polignac number, because 6397285 - 2¹ = 6397283 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397283) 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, 639724 + ... + 639733.

It is an arithmetic number, because the mean of its divisors is an integer number (1919187).

Almost surely, 2^6397285 is an apocalyptic number.

It is an amenable number.

6397285 is a deficient number, since it is larger than the sum of its proper divisors (1279463).

6397285 is a wasteful number, since it uses less digits than its factorization.

6397285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279462.

The product of its digits is 90720, while the sum is 40.

The square root of 6397285 is about 2529.2854722233. The cubic root of 6397285 is about 185.6372956443.

The spelling of 6397285 in words is "six million, three hundred ninety-seven thousand, two hundred eighty-five".