6393648 has 20 divisors (see below), whose sum is σ = 16517048. Its totient is φ = 2131200.

The previous prime is 6393641. The next prime is 6393661. The reversal of 6393648 is 8463936.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (6393641) 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, 66553 + ... + 66648.

Almost surely, 2^6393648 is an apocalyptic number.

It is an amenable number.

6393648 is an abundant number, since it is smaller than the sum of its proper divisors (10123400).

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

6393648 is a wasteful number, since it uses less digits than its factorization.

6393648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133212 (or 133206 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 6393648 is about 2528.5663922468. The cubic root of 6393648 is about 185.6021093201.

The spelling of 6393648 in words is "six million, three hundred ninety-three thousand, six hundred forty-eight".