6397552 has 30 divisors (see below), whose sum is σ = 14225528. Its totient is φ = 2730336.

The previous prime is 6397549. The next prime is 6397553. The reversal of 6397552 is 2557936.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26649 + ... + 26887.

Almost surely, 2^6397552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6397552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7112764).

6397552 is an abundant number, since it is smaller than the sum of its proper divisors (7827976).

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

6397552 is an equidigital number, since it uses as much as digits as its factorization.

6397552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 248 counting only the distinct ones).

The product of its digits is 56700, while the sum is 37.

The square root of 6397552 is about 2529.3382533777. The cubic root of 6397552 is about 185.6398782226.

Multiplying 6397552 by its product of digits (56700), we get a square (362741198400 = 602280²).

The spelling of 6397552 in words is "six million, three hundred ninety-seven thousand, five hundred fifty-two".