115405326 has 24 divisors (see below), whose sum is σ = 258668280. Its totient is φ = 37141776.

The previous prime is 115405319. The next prime is 115405337. The reversal of 115405326 is 623504511.

It is a self number, because there is not a number n which added to its sum of digits gives 115405326.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110020 + ... + 111063.

It is an arithmetic number, because the mean of its divisors is an integer number (10777845).

Almost surely, 2^115405326 is an apocalyptic number.

115405326 is an abundant number, since it is smaller than the sum of its proper divisors (143262954).

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

115405326 is a wasteful number, since it uses less digits than its factorization.

115405326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221120 (or 221117 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 115405326 is about 10742.6870940189. The cubic root of 115405326 is about 486.8650700603.

Adding to 115405326 its reverse (623504511), we get a palindrome (738909837).

The spelling of 115405326 in words is "one hundred fifteen million, four hundred five thousand, three hundred twenty-six".