116990 has 8 divisors (see below), whose sum is σ = 210600. Its totient is φ = 46792.

The previous prime is 116989. The next prime is 116993. The reversal of 116990 is 99611.

116990 = T₃₀ + T₃₁ + ... + T₈₉.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116993) 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 3 ways as a sum of consecutive naturals, for example, 5840 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (26325).

2¹¹⁶⁹⁹⁰ is an apocalyptic number.

116990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116990 is a deficient number, since it is larger than the sum of its proper divisors (93610).

116990 is a wasteful number, since it uses less digits than its factorization.

116990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11706.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 116990 is about 342.0380095837. The cubic root of 116990 is about 48.9083389857.

Subtracting from 116990 its sum of digits (26), we obtain a square (116964 = 342²).

The spelling of 116990 in words is "one hundred sixteen thousand, nine hundred ninety".