239220 has 48 divisors (see below), whose sum is σ = 745920. Its totient is φ = 63648.

The previous prime is 239201. The next prime is 239231. The reversal of 239220 is 22932.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 239193 and 239202.

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 239220.

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, 319 + ... + 761.

It is an arithmetic number, because the mean of its divisors is an integer number (15540).

2²³⁹²²⁰ is an apocalyptic number.

239220 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 239220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372960).

239220 is an abundant number, since it is smaller than the sum of its proper divisors (506700).

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

239220 is a wasteful number, since it uses less digits than its factorization.

239220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 239220 is about 489.1012165186. The cubic root of 239220 is about 62.0772536825.

The spelling of 239220 in words is "two hundred thirty-nine thousand, two hundred twenty".