115939841 has 8 divisors (see below), whose sum is σ = 120397704. Its totient is φ = 111559680.

The previous prime is 115939799. The next prime is 115939861. The reversal of 115939841 is 148939511.

It can be written as a sum of positive squares in 4 ways, for example, as 1000000 + 114939841 = 1000^2 + 10721^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 115939841 - 2⁶ = 115939777 is a prime.

It is a super-2 number, since 2×115939841² = 26884093462210562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115939861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16376 + ... + 22361.

It is an arithmetic number, because the mean of its divisors is an integer number (15049713).

Almost surely, 2^115939841 is an apocalyptic number.

It is an amenable number.

115939841 is a deficient number, since it is larger than the sum of its proper divisors (4457863).

115939841 is an equidigital number, since it uses as much as digits as its factorization.

115939841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38851.

The product of its digits is 38880, while the sum is 41.

The square root of 115939841 is about 10767.5364406163. The cubic root of 115939841 is about 487.6155725112.

The spelling of 115939841 in words is "one hundred fifteen million, nine hundred thirty-nine thousand, eight hundred forty-one".