196669 has 8 divisors (see below), whose sum is σ = 226080. Its totient is φ = 169200.

The previous prime is 196663. The next prime is 196681. The reversal of 196669 is 966691.

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 196669 - 2³ = 196661 is a prime.

It is a super-2 number, since 2×196669² = 77357391122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196661) by changing a digit.

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, 262 + ... + 679.

It is an arithmetic number, because the mean of its divisors is an integer number (28260).

2¹⁹⁶⁶⁶⁹ is an apocalyptic number.

196669 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

196669 is a deficient number, since it is larger than the sum of its proper divisors (29411).

196669 is a wasteful number, since it uses less digits than its factorization.

196669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its digits is 17496, while the sum is 37.

The square root of 196669 is about 443.4737872750. The cubic root of 196669 is about 58.1538720400.

The spelling of 196669 in words is "one hundred ninety-six thousand, six hundred sixty-nine".