193966 has 8 divisors (see below), whose sum is σ = 292824. Its totient is φ = 96360.

The previous prime is 193957. The next prime is 193979. The reversal of 193966 is 669391.

193966 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421 + ... + 751.

It is an arithmetic number, because the mean of its divisors is an integer number (36603).

2¹⁹³⁹⁶⁶ is an apocalyptic number.

193966 is a deficient number, since it is larger than the sum of its proper divisors (98858).

193966 is a wasteful number, since it uses less digits than its factorization.

193966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626.

The product of its digits is 8748, while the sum is 34.

The square root of 193966 is about 440.4157127079. The cubic root of 193966 is about 57.8862216562.

The spelling of 193966 in words is "one hundred ninety-three thousand, nine hundred sixty-six".