17330989 has 4 divisors (see below), whose sum is σ = 18664156. Its totient is φ = 15997824.

The previous prime is 17330933. The next prime is 17330993. The reversal of 17330989 is 98903371.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98903371 = 7 ⋅14129053.

It can be written as a sum of positive squares in 2 ways, for example, as 1988100 + 15342889 = 1410^2 + 3917^2 .

It is a cyclic number.

It is not a de Polignac number, because 17330989 - 2⁷ = 17330861 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 (17330909) 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 3 ways as a sum of consecutive naturals, for example, 666564 + ... + 666589.

It is an arithmetic number, because the mean of its divisors is an integer number (4666039).

Almost surely, 2^17330989 is an apocalyptic number.

It is an amenable number.

17330989 is a deficient number, since it is larger than the sum of its proper divisors (1333167).

17330989 is a wasteful number, since it uses less digits than its factorization.

17330989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333166.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 17330989 is about 4163.0504440854. The cubic root of 17330989 is about 258.7862012252.

The spelling of 17330989 in words is "seventeen million, three hundred thirty thousand, nine hundred eighty-nine".