115801620 has 96 divisors (see below), whose sum is σ = 374564736. Its totient is φ = 26419200.

The previous prime is 115801577. The next prime is 115801643. The reversal of 115801620 is 26108511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6060 + ... + 16380.

It is an arithmetic number, because the mean of its divisors is an integer number (3901716).

Almost surely, 2^115801620 is an apocalyptic number.

115801620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115801620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187282368).

115801620 is an abundant number, since it is smaller than the sum of its proper divisors (258763116).

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

115801620 is a wasteful number, since it uses less digits than its factorization.

115801620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361 (or 10359 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 115801620 is about 10761.1161131176. The cubic root of 115801620 is about 487.4217205014.

The spelling of 115801620 in words is "one hundred fifteen million, eight hundred one thousand, six hundred twenty".