648486 has 20 divisors (see below), whose sum is σ = 1453452. Its totient is φ = 216108.

The previous prime is 648481. The next prime is 648509. The reversal of 648486 is 684846.

648486 is a `hidden beast` number, since 648 + 4 + 8 + 6 = 666.

648486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 648486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648481) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1840 + ... + 2163.

2⁶⁴⁸⁴⁸⁶ is an apocalyptic number.

648486 is an abundant number, since it is smaller than the sum of its proper divisors (804966).

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

648486 is a wasteful number, since it uses less digits than its factorization.

648486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4017 (or 4008 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 648486 is about 805.2862844976. The cubic root of 648486 is about 86.5566025558.

The spelling of 648486 in words is "six hundred forty-eight thousand, four hundred eighty-six".