17390 has 16 divisors (see below), whose sum is σ = 32832. Its totient is φ = 6624.

The previous prime is 17389. The next prime is 17393. The reversal of 17390 is 9371.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17393) 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, 347 + ... + 393.

It is an arithmetic number, because the mean of its divisors is an integer number (2052).

2¹⁷³⁹⁰ is an apocalyptic number.

17390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17390 is a deficient number, since it is larger than the sum of its proper divisors (15442).

17390 is a wasteful number, since it uses less digits than its factorization.

17390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 17390 is about 131.8711492329. The cubic root of 17390 is about 25.9079585765.

The spelling of 17390 in words is "seventeen thousand, three hundred ninety".