171793093 has 4 divisors (see below), whose sum is σ = 171877420. Its totient is φ = 171708768.

The previous prime is 171793081. The next prime is 171793201. The reversal of 171793093 is 390397171.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 161340804 + 10452289 = 12702^2 + 3233^2 .

It is a cyclic number.

It is not a de Polignac number, because 171793093 - 2¹³ = 171784901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171794093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39030 + ... + 43207.

It is an arithmetic number, because the mean of its divisors is an integer number (42969355).

Almost surely, 2^171793093 is an apocalyptic number.

It is an amenable number.

171793093 is a deficient number, since it is larger than the sum of its proper divisors (84327).

171793093 is an equidigital number, since it uses as much as digits as its factorization.

171793093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84326.

The product of its (nonzero) digits is 35721, while the sum is 40.

The square root of 171793093 is about 13106.9864194635. The cubic root of 171793093 is about 555.9066888334.

The spelling of 171793093 in words is "one hundred seventy-one million, seven hundred ninety-three thousand, ninety-three".