16234309 has 12 divisors (see below), whose sum is σ = 20091936. Its totient is φ = 12843792.

The previous prime is 16234289. The next prime is 16234313. The reversal of 16234309 is 90343261.

It is not a de Polignac number, because 16234309 - 2⁹ = 16233797 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 (16234399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5679 + ... + 8044.

It is an arithmetic number, because the mean of its divisors is an integer number (1674328).

Almost surely, 2^16234309 is an apocalyptic number.

It is an amenable number.

16234309 is a deficient number, since it is larger than the sum of its proper divisors (3857627).

16234309 is a wasteful number, since it uses less digits than its factorization.

16234309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13756 (or 13743 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 16234309 is about 4029.1821750822. The cubic root of 16234309 is about 253.2082991406.

The spelling of 16234309 in words is "sixteen million, two hundred thirty-four thousand, three hundred nine".