648268 has 12 divisors (see below), whose sum is σ = 1161160. Its totient is φ = 316512.

The previous prime is 648259. The next prime is 648269. The reversal of 648268 is 862846.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (648269) by changing a digit.

648268 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, 1713 + ... + 2056.

2⁶⁴⁸²⁶⁸ is an apocalyptic number.

It is an amenable number.

648268 is a deficient number, since it is larger than the sum of its proper divisors (512892).

648268 is a wasteful number, since it uses less digits than its factorization.

648268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816 (or 3814 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 648268 is about 805.1509175304. The cubic root of 648268 is about 86.5469022929.

The spelling of 648268 in words is "six hundred forty-eight thousand, two hundred sixty-eight".