115903839 has 8 divisors (see below), whose sum is σ = 154593280. Its totient is φ = 77241816.

The previous prime is 115903813. The next prime is 115903847. The reversal of 115903839 is 938309511.

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

It is not a de Polignac number, because 115903839 - 2¹¹ = 115901791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115903797 and 115903806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115903849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7032 + ... + 16770.

It is an arithmetic number, because the mean of its divisors is an integer number (19324160).

Almost surely, 2^115903839 is an apocalyptic number.

115903839 is a deficient number, since it is larger than the sum of its proper divisors (38689441).

115903839 is an equidigital number, since it uses as much as digits as its factorization.

115903839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13709.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 115903839 is about 10765.8645263629. The cubic root of 115903839 is about 487.5650953180.

The spelling of 115903839 in words is "one hundred fifteen million, nine hundred three thousand, eight hundred thirty-nine".