6397008 has 20 divisors (see below), whose sum is σ = 16525728. Its totient is φ = 2132320.

The previous prime is 6397007. The next prime is 6397019. The reversal of 6397008 is 8007936.

It is a happy number.

It is a super-2 number, since 2×6397008² = 81843422704128, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6397008.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 66588 + ... + 66683.

Almost surely, 2^6397008 is an apocalyptic number.

It is an amenable number.

6397008 is an abundant number, since it is smaller than the sum of its proper divisors (10128720).

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

6397008 is a wasteful number, since it uses less digits than its factorization.

6397008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133282 (or 133276 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 6397008 is about 2529.2307130825. The cubic root of 6397008 is about 185.6346162643.

The spelling of 6397008 in words is "six million, three hundred ninety-seven thousand, eight".