2389439706 has 8 divisors (see below), whose sum is σ = 4778879424. Its totient is φ = 796479900.

The previous prime is 2389439683. The next prime is 2389439707. The reversal of 2389439706 is 6079349832.

It is a sphenic number, since it is the product of 3 distinct primes.

2389439706 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2389439707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199119970 + ... + 199119981.

It is an arithmetic number, because the mean of its divisors is an integer number (597359928).

Almost surely, 2^2389439706 is an apocalyptic number.

2389439706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2389439706 is a wasteful number, since it uses less digits than its factorization.

2389439706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398239956.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 2389439706 is about 48881.8954828881. The cubic root of 2389439706 is about 1336.8992882360.

The spelling of 2389439706 in words is "two billion, three hundred eighty-nine million, four hundred thirty-nine thousand, seven hundred six".