116998589 has 4 divisors (see below), whose sum is σ = 117891840. Its totient is φ = 116105340.

The previous prime is 116998579. The next prime is 116998603. The reversal of 116998589 is 985899611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 985899611 = 2971 ⋅331841.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116998589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116998579) 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, 446429 + ... + 446690.

It is an arithmetic number, because the mean of its divisors is an integer number (29472960).

Almost surely, 2^116998589 is an apocalyptic number.

It is an amenable number.

116998589 is a deficient number, since it is larger than the sum of its proper divisors (893251).

116998589 is an equidigital number, since it uses as much as digits as its factorization.

116998589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893250.

The product of its digits is 1399680, while the sum is 56.

The square root of 116998589 is about 10816.5886026972. The cubic root of 116998589 is about 489.0953584996.

The spelling of 116998589 in words is "one hundred sixteen million, nine hundred ninety-eight thousand, five hundred eighty-nine".