2339720838 has 144 divisors (see below), whose sum is σ = 6604865280. Its totient is φ = 584490816.

The previous prime is 2339720837. The next prime is 2339720923. The reversal of 2339720838 is 8380279332.

It is a happy number.

2339720838 is a `hidden beast` number, since 23 + 397 + 208 + 38 = 666.

2339720838 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 = 2339720793 and 2339720802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2339720837) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 401695 + ... + 407477.

It is an arithmetic number, because the mean of its divisors is an integer number (45867120).

Almost surely, 2^2339720838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2339720838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3302432640).

2339720838 is an abundant number, since it is smaller than the sum of its proper divisors (4265144442).

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

2339720838 is a wasteful number, since it uses less digits than its factorization.

2339720838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843 (or 5827 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 2339720838 is about 48370.6609216785. The cubic root of 2339720838 is about 1327.5615973631.

The spelling of 2339720838 in words is "two billion, three hundred thirty-nine million, seven hundred twenty thousand, eight hundred thirty-eight".