648230 has 32 divisors (see below), whose sum is σ = 1306368. Its totient is φ = 229600.

The previous prime is 648229. The next prime is 648239. The reversal of 648230 is 32846.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 648196 and 648205.

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 648230.

It is not an unprimeable number, because it can be changed into a prime (648239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7769 + ... + 7851.

It is an arithmetic number, because the mean of its divisors is an integer number (40824).

2⁶⁴⁸²³⁰ is an apocalyptic number.

648230 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

648230 is a wasteful number, since it uses less digits than its factorization.

648230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 648230 is about 805.1273191241. The cubic root of 648230 is about 86.5452111988.

It can be divided in two parts, 648 and 230, that added together give a palindrome (878).

The spelling of 648230 in words is "six hundred forty-eight thousand, two hundred thirty".