654648 has 16 divisors (see below), whose sum is σ = 1636680. Its totient is φ = 218208.

The previous prime is 654629. The next prime is 654671. The reversal of 654648 is 846456.

It is a happy number.

It is a congruent number.

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, 13615 + ... + 13662.

2⁶⁵⁴⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

654648 is an abundant number, since it is smaller than the sum of its proper divisors (982032).

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

654648 is a wasteful number, since it uses less digits than its factorization.

654648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27286 (or 27282 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 654648 is about 809.1032072610. The cubic root of 654648 is about 86.8298961909.

The spelling of 654648 in words is "six hundred fifty-four thousand, six hundred forty-eight".