193997338 has 8 divisors (see below), whose sum is σ = 297763488. Its totient is φ = 94742844.

The previous prime is 193997329. The next prime is 193997357. The reversal of 193997338 is 833799391.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1127806 + ... + 1127977.

It is an arithmetic number, because the mean of its divisors is an integer number (37220436).

Almost surely, 2^193997338 is an apocalyptic number.

193997338 is a deficient number, since it is larger than the sum of its proper divisors (103766150).

193997338 is a wasteful number, since it uses less digits than its factorization.

193997338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255828.

The product of its digits is 1102248, while the sum is 52.

The square root of 193997338 is about 13928.2927166254. The cubic root of 193997338 is about 578.8933893913.

The spelling of 193997338 in words is "one hundred ninety-three million, nine hundred ninety-seven thousand, three hundred thirty-eight".