17216930 has 8 divisors (see below), whose sum is σ = 30990492. Its totient is φ = 6886768.

The previous prime is 17216917. The next prime is 17216933. The reversal of 17216930 is 3961271.

It can be written as a sum of positive squares in 2 ways, for example, as 17197609 + 19321 = 4147^2 + 139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 17216893 and 17216902.

It is not an unprimeable number, because it can be changed into a prime (17216933) 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, 860837 + ... + 860856.

Almost surely, 2^17216930 is an apocalyptic number.

17216930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17216930 is a deficient number, since it is larger than the sum of its proper divisors (13773562).

17216930 is a wasteful number, since it uses less digits than its factorization.

17216930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721700.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 17216930 is about 4149.3288613943. The cubic root of 17216930 is about 258.2172418603.

The spelling of 17216930 in words is "seventeen million, two hundred sixteen thousand, nine hundred thirty".