16909229 has 8 divisors (see below), whose sum is σ = 17548800. Its totient is φ = 16275600.

The previous prime is 16909219. The next prime is 16909231. The reversal of 16909229 is 92290961.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16909229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16909192 and 16909201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16909219) 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, 4799 + ... + 7539.

It is an arithmetic number, because the mean of its divisors is an integer number (2193600).

Almost surely, 2^16909229 is an apocalyptic number.

It is an amenable number.

16909229 is a deficient number, since it is larger than the sum of its proper divisors (639571).

16909229 is a wasteful number, since it uses less digits than its factorization.

16909229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 16909229 is about 4112.0832919580. The cubic root of 16909229 is about 256.6696993701.

The spelling of 16909229 in words is "sixteen million, nine hundred nine thousand, two hundred twenty-nine".