194664 has 16 divisors (see below), whose sum is σ = 486720. Its totient is φ = 64880.

The previous prime is 194659. The next prime is 194671. The reversal of 194664 is 466491.

194664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

194664 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4032 + ... + 4079.

It is an arithmetic number, because the mean of its divisors is an integer number (30420).

2¹⁹⁴⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

194664 is an abundant number, since it is smaller than the sum of its proper divisors (292056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194664 is a wasteful number, since it uses less digits than its factorization.

194664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120 (or 8116 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 194664 is about 441.2074342075. The cubic root of 194664 is about 57.9555743832.

It can be divided in two parts, 194 and 664, that added together give a palindrome (858).

The spelling of 194664 in words is "one hundred ninety-four thousand, six hundred sixty-four".