196790 has 16 divisors (see below), whose sum is σ = 386640. Its totient is φ = 71520.

The previous prime is 196771. The next prime is 196799. The reversal of 196790 is 97691.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196799) by changing a digit.

196790 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785 + ... + 1004.

It is an arithmetic number, because the mean of its divisors is an integer number (24165).

2¹⁹⁶⁷⁹⁰ is an apocalyptic number.

196790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196790 is a deficient number, since it is larger than the sum of its proper divisors (189850).

196790 is a wasteful number, since it uses less digits than its factorization.

196790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 196790 is about 443.6101892428. The cubic root of 196790 is about 58.1657959255.

Subtracting from 196790 its reverse (97691), we obtain a palindrome (99099).

The spelling of 196790 in words is "one hundred ninety-six thousand, seven hundred ninety".