6457648 has 10 divisors (see below), whose sum is σ = 12511724. Its totient is φ = 3228816.

The previous prime is 6457631. The next prime is 6457657. The reversal of 6457648 is 8467546.

It is a self number, because there is not a number n which added to its sum of digits gives 6457648.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201786 + ... + 201817.

Almost surely, 2^6457648 is an apocalyptic number.

It is an amenable number.

6457648 is a deficient number, since it is larger than the sum of its proper divisors (6054076).

6457648 is a wasteful number, since it uses less digits than its factorization.

6457648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403611 (or 403605 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 6457648 is about 2541.1902722937. The cubic root of 6457648 is about 186.2193427311.

The spelling of 6457648 in words is "six million, four hundred fifty-seven thousand, six hundred forty-eight".