648588 has 12 divisors (see below), whose sum is σ = 1513400. Its totient is φ = 216192.

The previous prime is 648563. The next prime is 648607. The reversal of 648588 is 885846.

648588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

648588 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27013 + ... + 27036.

2⁶⁴⁸⁵⁸⁸ is an apocalyptic number.

It is an amenable number.

648588 is an abundant number, since it is smaller than the sum of its proper divisors (864812).

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

648588 is a wasteful number, since it uses less digits than its factorization.

648588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54056 (or 54054 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 648588 is about 805.3496135220. The cubic root of 648588 is about 86.5611404644.

The spelling of 648588 in words is "six hundred forty-eight thousand, five hundred eighty-eight".