648234 has 12 divisors (see below), whose sum is σ = 1404546. Its totient is φ = 216072.

The previous prime is 648229. The next prime is 648239. The reversal of 648234 is 432846.

It is an interprime number because it is at equal distance from previous prime (648229) and next prime (648239).

It can be written as a sum of positive squares in only one way, i.e., 567009 + 81225 = 753^2 + 285^2 .

It is a junction number, because it is equal to n+sod(n) for n = 648198 and 648207.

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 5 ways as a sum of consecutive naturals, for example, 17989 + ... + 18024.

2⁶⁴⁸²³⁴ is an apocalyptic number.

648234 is an abundant number, since it is smaller than the sum of its proper divisors (756312).

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

648234 is a wasteful number, since it uses less digits than its factorization.

648234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36021 (or 36018 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 648234 is about 805.1298031995. The cubic root of 648234 is about 86.5453892118.

The spelling of 648234 in words is "six hundred forty-eight thousand, two hundred thirty-four".