193808 has 10 divisors (see below), whose sum is σ = 375534. Its totient is φ = 96896.

The previous prime is 193799. The next prime is 193811. The reversal of 193808 is 808391.

It is a happy number.

193808 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 150544 + 43264 = 388^2 + 208^2 .

It is a plaindrome in base 11.

It is an unprimeable number.

193808 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 as a sum of consecutive naturals, namely, 6041 + ... + 6072.

2¹⁹³⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

193808 is a deficient number, since it is larger than the sum of its proper divisors (181726).

193808 is a wasteful number, since it uses less digits than its factorization.

193808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12121 (or 12115 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 193808 is about 440.2363001843. The cubic root of 193808 is about 57.8704998157.

It can be divided in two parts, 193 and 808, that added together give a palindrome (1001).

The spelling of 193808 in words is "one hundred ninety-three thousand, eight hundred eight".