193944 has 16 divisors (see below), whose sum is σ = 484920. Its totient is φ = 64640.

The previous prime is 193943. The next prime is 193951. The reversal of 193944 is 449391.

It is a super-2 number, since 2×193944² = 75228550272, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 193944.

It is not an unprimeable number, because it can be changed into a prime (193943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4017 + ... + 4064.

2¹⁹³⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

193944 is an abundant number, since it is smaller than the sum of its proper divisors (290976).

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

193944 is a wasteful number, since it uses less digits than its factorization.

193944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090 (or 8086 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 193944 is about 440.3907355974. The cubic root of 193944 is about 57.8840330509.

The spelling of 193944 in words is "one hundred ninety-three thousand, nine hundred forty-four".