234520 has 64 divisors (see below), whose sum is σ = 635040. Its totient is φ = 76800.

The previous prime is 234511. The next prime is 234527. The reversal of 234520 is 25432.

It is a junction number, because it is equal to n+sod(n) for n = 234494 and 234503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234527) by changing a digit.

234520 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5700 + ... + 5740.

2²³⁴⁵²⁰ is an apocalyptic number.

234520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317520).

234520 is an abundant number, since it is smaller than the sum of its proper divisors (400520).

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

234520 is a wasteful number, since it uses less digits than its factorization.

234520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 234520 is about 484.2726504770. The cubic root of 234520 is about 61.6680139305.

Adding to 234520 its reverse (25432), we get a palindrome (259952).

The spelling of 234520 in words is "two hundred thirty-four thousand, five hundred twenty".