16886929 has 2 divisors, whose sum is σ = 16886930. Its totient is φ = 16886928.

The previous prime is 16886923. The next prime is 16886951. The reversal of 16886929 is 92968861.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15840400 + 1046529 = 3980^2 + 1023^2 .

It is an emirp because it is prime and its reverse (92968861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16886929 - 2¹³ = 16878737 is a prime.

It is not a weakly prime, because it can be changed into another prime (16886923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8443464 + 8443465.

It is an arithmetic number, because the mean of its divisors is an integer number (8443465).

Almost surely, 2^16886929 is an apocalyptic number.

It is an amenable number.

16886929 is a deficient number, since it is larger than the sum of its proper divisors (1).

16886929 is an equidigital number, since it uses as much as digits as its factorization.

16886929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 49.

The square root of 16886929 is about 4109.3708764238. The cubic root of 16886929 is about 256.5568171820.

The spelling of 16886929 in words is "sixteen million, eight hundred eighty-six thousand, nine hundred twenty-nine".