115840206 has 20 divisors (see below), whose sum is σ = 259568232. Its totient is φ = 38613348.

The previous prime is 115840201. The next prime is 115840217. The reversal of 115840206 is 602048511.

It is a super-2 number, since 2×115840206² = 26837906652244872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 115840206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115840201) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 357370 + ... + 357693.

Almost surely, 2^115840206 is an apocalyptic number.

115840206 is an abundant number, since it is smaller than the sum of its proper divisors (143728026).

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

115840206 is an equidigital number, since it uses as much as digits as its factorization.

115840206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715077 (or 715068 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 115840206 is about 10762.9088075668. The cubic root of 115840206 is about 487.4758520583.

Adding to 115840206 its reverse (602048511), we get a palindrome (717888717).

The spelling of 115840206 in words is "one hundred fifteen million, eight hundred forty thousand, two hundred six".