648084 has 24 divisors (see below), whose sum is σ = 1542240. Its totient is φ = 211744.

The previous prime is 648079. The next prime is 648097. The reversal of 648084 is 480846.

648084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648084.

It is an unprimeable number.

648084 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 7 ways as a sum of consecutive naturals, for example, 127 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (64260).

2⁶⁴⁸⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

648084 is an abundant number, since it is smaller than the sum of its proper divisors (894156).

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

648084 is a wasteful number, since it uses less digits than its factorization.

648084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 648084 is about 805.0366451287. The cubic root of 648084 is about 86.5387132224.

The spelling of 648084 in words is "six hundred forty-eight thousand, eighty-four".