654384648 has 16 divisors (see below), whose sum is σ = 1635961680. Its totient is φ = 218128208.

The previous prime is 654384631. The next prime is 654384667. The reversal of 654384648 is 846483456.

It is a junction number, because it is equal to n+sod(n) for n = 654384597 and 654384606.

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, 13632990 + ... + 13633037.

It is an arithmetic number, because the mean of its divisors is an integer number (102247605).

Almost surely, 2^654384648 is an apocalyptic number.

It is an amenable number.

654384648 is an abundant number, since it is smaller than the sum of its proper divisors (981577032).

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

654384648 is a wasteful number, since it uses less digits than its factorization.

654384648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27266036 (or 27266032 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 48.

The square root of 654384648 is about 25580.9430631476. The cubic root of 654384648 is about 868.1825131011.

The spelling of 654384648 in words is "six hundred fifty-four million, three hundred eighty-four thousand, six hundred forty-eight".