17142393 has 16 divisors (see below), whose sum is σ = 23886720. Its totient is φ = 10921344.

The previous prime is 17142361. The next prime is 17142401. The reversal of 17142393 is 39324171.

It is not a de Polignac number, because 17142393 - 2⁵ = 17142361 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 17142393.

It is not an unprimeable number, because it can be changed into a prime (17142343) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8005 + ... + 9917.

It is an arithmetic number, because the mean of its divisors is an integer number (1492920).

Almost surely, 2^17142393 is an apocalyptic number.

It is an amenable number.

17142393 is a deficient number, since it is larger than the sum of its proper divisors (6744327).

17142393 is a wasteful number, since it uses less digits than its factorization.

17142393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048.

The product of its digits is 4536, while the sum is 30.

The square root of 17142393 is about 4140.3373050997. The cubic root of 17142393 is about 257.8440707931.

The spelling of 17142393 in words is "seventeen million, one hundred forty-two thousand, three hundred ninety-three".