115824399 has 16 divisors (see below), whose sum is σ = 163649280. Its totient is φ = 72662400.

The previous prime is 115824341. The next prime is 115824431. The reversal of 115824399 is 993428511.

It is not a de Polignac number, because 115824399 - 2⁸ = 115824143 is a prime.

It is a super-2 number, since 2×115824399² = 26830582807422402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115824399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115824199) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1879 + ... + 15335.

It is an arithmetic number, because the mean of its divisors is an integer number (10228080).

Almost surely, 2^115824399 is an apocalyptic number.

115824399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

115824399 is a deficient number, since it is larger than the sum of its proper divisors (47824881).

115824399 is a wasteful number, since it uses less digits than its factorization.

115824399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13630.

The product of its digits is 77760, while the sum is 42.

The square root of 115824399 is about 10762.1744550068. The cubic root of 115824399 is about 487.4536781759.

The spelling of 115824399 in words is "one hundred fifteen million, eight hundred twenty-four thousand, three hundred ninety-nine".