234820 has 24 divisors (see below), whose sum is σ = 504000. Its totient is φ = 91872.

The previous prime is 234811. The next prime is 234833. The reversal of 234820 is 28432.

It is a happy number.

It is an unprimeable number.

234820 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081 + ... + 1279.

It is an arithmetic number, because the mean of its divisors is an integer number (21000).

2²³⁴⁸²⁰ is an apocalyptic number.

234820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234820 is an abundant number, since it is smaller than the sum of its proper divisors (269180).

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

234820 is a wasteful number, since it uses less digits than its factorization.

234820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 234820 is about 484.5822943526. The cubic root of 234820 is about 61.6942981438.

The spelling of 234820 in words is "two hundred thirty-four thousand, eight hundred twenty".