648835 has 16 divisors (see below), whose sum is σ = 870912. Its totient is φ = 460000.

The previous prime is 648803. The next prime is 648841. The reversal of 648835 is 538846.

648835 is nontrivially palindromic in base 7.

648835 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 648835 - 2⁵ = 648803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 648835.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2460 + ... + 2710.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2⁶⁴⁸⁸³⁵ is an apocalyptic number.

648835 is a deficient number, since it is larger than the sum of its proper divisors (222077).

648835 is a wasteful number, since it uses less digits than its factorization.

648835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

The product of its digits is 23040, while the sum is 34.

The square root of 648835 is about 805.5029484738. The cubic root of 648835 is about 86.5721273509.

It can be divided in two parts, 64883 and 5, that multiplied together give a triangular number (324415 = T₈₀₅).

The spelling of 648835 in words is "six hundred forty-eight thousand, eight hundred thirty-five".