115990293 has 8 divisors (see below), whose sum is σ = 154822528. Its totient is φ = 77242464.

The previous prime is 115990261. The next prime is 115990321. The reversal of 115990293 is 392099511.

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

It is not a de Polignac number, because 115990293 - 2⁵ = 115990261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115990223) 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 7 ways as a sum of consecutive naturals, for example, 17821 + ... + 23442.

It is an arithmetic number, because the mean of its divisors is an integer number (19352816).

Almost surely, 2^115990293 is an apocalyptic number.

It is an amenable number.

115990293 is a deficient number, since it is larger than the sum of its proper divisors (38832235).

115990293 is an equidigital number, since it uses as much as digits as its factorization.

115990293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42203.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 115990293 is about 10769.8789686793. The cubic root of 115990293 is about 487.6862919839.

The spelling of 115990293 in words is "one hundred fifteen million, nine hundred ninety thousand, two hundred ninety-three".