193334285 has 8 divisors (see below), whose sum is σ = 245648376. Its totient is φ = 145569280.

The previous prime is 193334279. The next prime is 193334293. The reversal of 193334285 is 582433391.

It can be written as a sum of positive squares in 4 ways, for example, as 52722121 + 140612164 = 7261^2 + 11858^2 .

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

It is not a de Polignac number, because 193334285 - 2⁴ = 193334269 is a prime.

It is a super-2 number, since 2×193334285² = 74756291512922450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1137176 + ... + 1137345.

It is an arithmetic number, because the mean of its divisors is an integer number (30706047).

Almost surely, 2^193334285 is an apocalyptic number.

It is an amenable number.

193334285 is a deficient number, since it is larger than the sum of its proper divisors (52314091).

193334285 is a wasteful number, since it uses less digits than its factorization.

193334285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274543.

The product of its digits is 77760, while the sum is 38.

The square root of 193334285 is about 13904.4699647272. The cubic root of 193334285 is about 578.2331137860.

The spelling of 193334285 in words is "one hundred ninety-three million, three hundred thirty-four thousand, two hundred eighty-five".