239111380 has 48 divisors (see below), whose sum is σ = 525813120. Its totient is φ = 91215488.

The previous prime is 239111377. The next prime is 239111413. The reversal of 239111380 is 83111932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45657 + ... + 50623.

It is an arithmetic number, because the mean of its divisors is an integer number (10954440).

Almost surely, 2^239111380 is an apocalyptic number.

239111380 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 239111380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262906560).

239111380 is an abundant number, since it is smaller than the sum of its proper divisors (286701740).

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

239111380 is a wasteful number, since it uses less digits than its factorization.

239111380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088 (or 5086 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 239111380 is about 15463.2267007892. The cubic root of 239111380 is about 620.6785668099.

The spelling of 239111380 in words is "two hundred thirty-nine million, one hundred eleven thousand, three hundred eighty".