115398798 has 8 divisors (see below), whose sum is σ = 230797608. Its totient is φ = 38466264.

The previous prime is 115398793. The next prime is 115398809. The reversal of 115398798 is 897893511.

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

115398798 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 115398798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115398791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9616561 + ... + 9616572.

It is an arithmetic number, because the mean of its divisors is an integer number (28849701).

Almost surely, 2^115398798 is an apocalyptic number.

115398798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115398798 is a wasteful number, since it uses less digits than its factorization.

115398798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19233138.

The product of its digits is 544320, while the sum is 51.

The square root of 115398798 is about 10742.3832551255. The cubic root of 115398798 is about 486.8558899088.

The spelling of 115398798 in words is "one hundred fifteen million, three hundred ninety-eight thousand, seven hundred ninety-eight".