6397500 has 60 divisors (see below), whose sum is σ = 18675272. Its totient is φ = 1704000.

The previous prime is 6397493. The next prime is 6397511. The reversal of 6397500 is 57936.

6397500 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7074 + ... + 7926.

Almost surely, 2^6397500 is an apocalyptic number.

6397500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6397500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9337636).

6397500 is an abundant number, since it is smaller than the sum of its proper divisors (12277772).

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

6397500 is a wasteful number, since it uses less digits than its factorization.

6397500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 6397500 is about 2529.3279739883. The cubic root of 6397500 is about 185.6393752542.

The spelling of 6397500 in words is "six million, three hundred ninety-seven thousand, five hundred".