115920486 has 48 divisors (see below), whose sum is σ = 278665920. Its totient is φ = 34528560.

The previous prime is 115920481. The next prime is 115920491. The reversal of 115920486 is 684029511.

115920486 is a `hidden beast` number, since 1 + 159 + 20 + 486 = 666.

It is an interprime number because it is at equal distance from previous prime (115920481) and next prime (115920491).

It is a self number, because there is not a number n which added to its sum of digits gives 115920486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115920481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6721 + ... + 16643.

It is an arithmetic number, because the mean of its divisors is an integer number (5805540).

Almost surely, 2^115920486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115920486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139332960).

115920486 is an abundant number, since it is smaller than the sum of its proper divisors (162745434).

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

115920486 is a wasteful number, since it uses less digits than its factorization.

115920486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001 (or 9998 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 115920486 is about 10766.6376366998. The cubic root of 115920486 is about 487.5884368158.

Adding to 115920486 its reverse (684029511), we get a palindrome (799949997).

The spelling of 115920486 in words is "one hundred fifteen million, nine hundred twenty thousand, four hundred eighty-six".