116839520 has 96 divisors (see below), whose sum is σ = 322056000. Its totient is φ = 40040448.

The previous prime is 116839511. The next prime is 116839523. The reversal of 116839520 is 25938611.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116839523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53816 + ... + 55944.

It is an arithmetic number, because the mean of its divisors is an integer number (3354750).

Almost surely, 2^116839520 is an apocalyptic number.

116839520 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 116839520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161028000).

116839520 is an abundant number, since it is smaller than the sum of its proper divisors (205216480).

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

116839520 is an equidigital number, since it uses as much as digits as its factorization.

116839520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2143 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 116839520 is about 10809.2330902798. The cubic root of 116839520 is about 488.8736031340.

Subtracting from 116839520 its reverse (25938611), we obtain a palindrome (90900909).

The spelling of 116839520 in words is "one hundred sixteen million, eight hundred thirty-nine thousand, five hundred twenty".