6397536 has 48 divisors (see below), whose sum is σ = 16982784. Its totient is φ = 2108544.

The previous prime is 6397529. The next prime is 6397549. The reversal of 6397536 is 6357936.

It is a tau number, because it is divible by the number of its divisors (48).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 6397494 and 6397503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9565 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (353808).

Almost surely, 2^6397536 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 6397536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8491392).

6397536 is an abundant number, since it is smaller than the sum of its proper divisors (10585248).

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

6397536 is a wasteful number, since it uses less digits than its factorization.

6397536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 755 counting only the distinct ones).

The product of its digits is 102060, while the sum is 39.

The square root of 6397536 is about 2529.3350904932. The cubic root of 6397536 is about 185.6397234634.

The spelling of 6397536 in words is "six million, three hundred ninety-seven thousand, five hundred thirty-six".