193893 has 12 divisors (see below), whose sum is σ = 300960. Its totient is φ = 110712.

The previous prime is 193891. The next prime is 193937. The reversal of 193893 is 398391.

It is not a de Polignac number, because 193893 - 2¹ = 193891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193891) 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 11 ways as a sum of consecutive naturals, for example, 513 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (25080).

2¹⁹³⁸⁹³ is an apocalyptic number.

It is an amenable number.

193893 is a deficient number, since it is larger than the sum of its proper divisors (107067).

193893 is a wasteful number, since it uses less digits than its factorization.

193893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1329 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 193893 is about 440.3328286649. The cubic root of 193893 is about 57.8789588293.

The spelling of 193893 in words is "one hundred ninety-three thousand, eight hundred ninety-three".