239388000 has 96 divisors (see below), whose sum is σ = 784274400. Its totient is φ = 63833600.

The previous prime is 239387969. The next prime is 239388007. The reversal of 239388000 is 883932.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×239388000² = 114613229088000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239388007) by changing a digit.

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, 2026 + ... + 21974.

It is an arithmetic number, because the mean of its divisors is an integer number (8169525).

Almost surely, 2^239388000 is an apocalyptic number.

239388000 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 239388000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392137200).

239388000 is an abundant number, since it is smaller than the sum of its proper divisors (544886400).

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

239388000 is a wasteful number, since it uses less digits than its factorization.

239388000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19977 (or 19959 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 239388000 is about 15472.1685616464. The cubic root of 239388000 is about 620.9178220325.

The spelling of 239388000 in words is "two hundred thirty-nine million, three hundred eighty-eight thousand".