115820386 has 16 divisors (see below), whose sum is σ = 190626048. Its totient is φ = 52339600.

The previous prime is 115820381. The next prime is 115820389. The reversal of 115820386 is 683028511.

It is not an unprimeable number, because it can be changed into a prime (115820381) 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, 11410 + ... + 19021.

It is an arithmetic number, because the mean of its divisors is an integer number (11914128).

Almost surely, 2^115820386 is an apocalyptic number.

115820386 is a deficient number, since it is larger than the sum of its proper divisors (74805662).

115820386 is a wasteful number, since it uses less digits than its factorization.

115820386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30617.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 115820386 is about 10761.9880133737. The cubic root of 115820386 is about 487.4480484634.

Adding to 115820386 its reverse (683028511), we get a palindrome (798848897).

The spelling of 115820386 in words is "one hundred fifteen million, eight hundred twenty thousand, three hundred eighty-six".