239283940 has 72 divisors (see below), whose sum is σ = 585369792. Its totient is φ = 80485440.

The previous prime is 239283851. The next prime is 239283953. The reversal of 239283940 is 49382932.

239283940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 239283893 and 239283902.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487095 + ... + 487585.

It is an arithmetic number, because the mean of its divisors is an integer number (8130136).

Almost surely, 2^239283940 is an apocalyptic number.

239283940 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 239283940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292684896).

239283940 is an abundant number, since it is smaller than the sum of its proper divisors (346085852).

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

239283940 is a wasteful number, since it uses less digits than its factorization.

239283940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 239283940 is about 15468.8053837392. The cubic root of 239283940 is about 620.8278396983.

The spelling of 239283940 in words is "two hundred thirty-nine million, two hundred eighty-three thousand, nine hundred forty".