2439889342 has 8 divisors (see below), whose sum is σ = 3992546232. Its totient is φ = 1109040600.

The previous prime is 2439889339. The next prime is 2439889357.

2439889342 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2439889342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55452009 + ... + 55452052.

It is an arithmetic number, because the mean of its divisors is an integer number (499068279).

Almost surely, 2^2439889342 is an apocalyptic number.

2439889342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2439889342 is a deficient number, since it is larger than the sum of its proper divisors (1552656890).

2439889342 is a wasteful number, since it uses less digits than its factorization.

2439889342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110904074.

The product of its digits is 2985984, while the sum is 52.

The square root of 2439889342 is about 49395.2360253497. The cubic root of 2439889342 is about 1346.2427473992.

The spelling of 2439889342 in words is "two billion, four hundred thirty-nine million, eight hundred eighty-nine thousand, three hundred forty-two".