16950309 has 16 divisors (see below), whose sum is σ = 24127488. Its totient is φ = 10547712.

The previous prime is 16950293. The next prime is 16950331. The reversal of 16950309 is 90305961.

It is not a de Polignac number, because 16950309 - 2⁴ = 16950293 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16950309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16954309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5169 + ... + 7785.

It is an arithmetic number, because the mean of its divisors is an integer number (1507968).

Almost surely, 2^16950309 is an apocalyptic number.

It is an amenable number.

16950309 is a deficient number, since it is larger than the sum of its proper divisors (7177179).

16950309 is a wasteful number, since it uses less digits than its factorization.

16950309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 16950309 is about 4117.0752968582. The cubic root of 16950309 is about 256.8773860340.

The spelling of 16950309 in words is "sixteen million, nine hundred fifty thousand, three hundred nine".