116399 has 8 divisors (see below), whose sum is σ = 127008. Its totient is φ = 106240.

The previous prime is 116387. The next prime is 116411. The reversal of 116399 is 993611.

It is an interprime number because it is at equal distance from previous prime (116387) and next prime (116411).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116399 - 2¹² = 112303 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 (116329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614 + ... + 780.

It is an arithmetic number, because the mean of its divisors is an integer number (15876).

2¹¹⁶³⁹⁹ is an apocalyptic number.

116399 is a deficient number, since it is larger than the sum of its proper divisors (10609).

116399 is a wasteful number, since it uses less digits than its factorization.

116399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225.

The product of its digits is 1458, while the sum is 29.

The square root of 116399 is about 341.1729766555. The cubic root of 116399 is about 48.8258429365.

It can be divided in two parts, 116 and 399, that added together give a palindrome (515).

The spelling of 116399 in words is "one hundred sixteen thousand, three hundred ninety-nine".