6397000 has 32 divisors (see below), whose sum is σ = 14971320. Its totient is φ = 2558400.

The previous prime is 6396997. The next prime is 6397003. The reversal of 6397000 is 7936.

It is an interprime number because it is at equal distance from previous prime (6396997) and next prime (6397003).

It can be written as a sum of positive squares in 4 ways, for example, as 315844 + 6081156 = 562^2 + 2466^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (6397003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199 + ... + 4198.

Almost surely, 2^6397000 is an apocalyptic number.

It is an amenable number.

6397000 is an abundant number, since it is smaller than the sum of its proper divisors (8574320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6397000 is a wasteful number, since it uses less digits than its factorization.

6397000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6418 (or 6404 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 6397000 is about 2529.2291315735. The cubic root of 6397000 is about 185.6345388803.

The spelling of 6397000 in words is "six million, three hundred ninety-seven thousand".