646460848 has 20 divisors (see below), whose sum is σ = 1366383528. Its totient is φ = 293845760.

The previous prime is 646460831. The next prime is 646460851. The reversal of 646460848 is 848064646.

It is a junction number, because it is equal to n+sod(n) for n = 646460798 and 646460807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836361 + ... + 1836712.

Almost surely, 2^646460848 is an apocalyptic number.

It is an amenable number.

646460848 is an abundant number, since it is smaller than the sum of its proper divisors (719922680).

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

646460848 is a wasteful number, since it uses less digits than its factorization.

646460848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673092 (or 3673086 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The square root of 646460848 is about 25425.5943490020. The cubic root of 646460848 is about 864.6640628074.

The spelling of 646460848 in words is "six hundred forty-six million, four hundred sixty thousand, eight hundred forty-eight".