116489 has 4 divisors (see below), whose sum is σ = 122640. Its totient is φ = 110340.

The previous prime is 116483. The next prime is 116491. The reversal of 116489 is 984611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116489 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 116489.

It is not an unprimeable number, because it can be changed into a prime (116483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3047 + ... + 3084.

It is an arithmetic number, because the mean of its divisors is an integer number (30660).

2¹¹⁶⁴⁸⁹ is an apocalyptic number.

116489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

116489 is a deficient number, since it is larger than the sum of its proper divisors (6151).

116489 is an equidigital number, since it uses as much as digits as its factorization.

116489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150.

The product of its digits is 1728, while the sum is 29.

The square root of 116489 is about 341.3048490719. The cubic root of 116489 is about 48.8384237828.

The spelling of 116489 in words is "one hundred sixteen thousand, four hundred eighty-nine".