648963 has 12 divisors (see below), whose sum is σ = 1071408. Its totient is φ = 370800.

The previous prime is 648961. The next prime is 648971. The reversal of 648963 is 369846.

648963 is a `hidden beast` number, since 648 + 9 + 6 + 3 = 666.

648963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 648963 - 2¹ = 648961 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (648961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5088 + ... + 5213.

It is an arithmetic number, because the mean of its divisors is an integer number (89284).

2⁶⁴⁸⁹⁶³ is an apocalyptic number.

648963 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

648963 is a deficient number, since it is larger than the sum of its proper divisors (422445).

648963 is a wasteful number, since it uses less digits than its factorization.

648963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10314 (or 10311 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 648963 is about 805.5823980202. The cubic root of 648963 is about 86.5778198632.

The spelling of 648963 in words is "six hundred forty-eight thousand, nine hundred sixty-three".