193350993 has 16 divisors (see below), whose sum is σ = 282211776. Its totient is φ = 116776640.

The previous prime is 193350991. The next prime is 193351001. The reversal of 193350993 is 399053391.

It is a cyclic number.

It is not a de Polignac number, because 193350993 - 2¹ = 193350991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (193350991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330 + ... + 19667.

It is an arithmetic number, because the mean of its divisors is an integer number (17638236).

Almost surely, 2^193350993 is an apocalyptic number.

It is an amenable number.

193350993 is a deficient number, since it is larger than the sum of its proper divisors (88860783).

193350993 is a wasteful number, since it uses less digits than its factorization.

193350993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20304.

The product of its (nonzero) digits is 98415, while the sum is 42.

The square root of 193350993 is about 13905.0707657315. The cubic root of 193350993 is about 578.2497703257.

The spelling of 193350993 in words is "one hundred ninety-three million, three hundred fifty thousand, nine hundred ninety-three".