193969 has 4 divisors (see below), whose sum is σ = 198144. Its totient is φ = 189796.

The previous prime is 193957. The next prime is 193979. The reversal of 193969 is 969391.

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.

It is a cyclic number.

It is not a de Polignac number, because 193969 - 2⁵ = 193937 is a prime.

It is a super-2 number, since 2×193969² = 75247945922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193939) 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, 2017 + ... + 2110.

It is an arithmetic number, because the mean of its divisors is an integer number (49536).

2¹⁹³⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

193969 is a deficient number, since it is larger than the sum of its proper divisors (4175).

193969 is an equidigital number, since it uses as much as digits as its factorization.

193969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174.

The product of its digits is 13122, while the sum is 37.

The square root of 193969 is about 440.4191185678. The cubic root of 193969 is about 57.8865200895.

The spelling of 193969 in words is "one hundred ninety-three thousand, nine hundred sixty-nine".