193241897 has 8 divisors (see below), whose sum is σ = 198140712. Its totient is φ = 188352000.

The previous prime is 193241887. The next prime is 193241903. The reversal of 193241897 is 798142391.

It can be written as a sum of positive squares in 4 ways, for example, as 8934121 + 184307776 = 2989^2 + 13576^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193241897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193241887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72533 + ... + 75149.

It is an arithmetic number, because the mean of its divisors is an integer number (24767589).

Almost surely, 2^193241897 is an apocalyptic number.

It is an amenable number.

193241897 is a deficient number, since it is larger than the sum of its proper divisors (4898815).

193241897 is a wasteful number, since it uses less digits than its factorization.

193241897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459.

The product of its digits is 108864, while the sum is 44.

The square root of 193241897 is about 13901.1473267497. The cubic root of 193241897 is about 578.1409930107.

The spelling of 193241897 in words is "one hundred ninety-three million, two hundred forty-one thousand, eight hundred ninety-seven".