16309339 has 12 divisors (see below), whose sum is σ = 17303760. Its totient is φ = 15350720.

The previous prime is 16309331. The next prime is 16309351. The reversal of 16309339 is 93390361.

It is a happy number.

It is not a de Polignac number, because 16309339 - 2³ = 16309331 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 (16309331) 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, 183207 + ... + 183295.

It is an arithmetic number, because the mean of its divisors is an integer number (1441980).

Almost surely, 2^16309339 is an apocalyptic number.

16309339 is a deficient number, since it is larger than the sum of its proper divisors (994421).

16309339 is an frugal number, since it uses more digits than its factorization.

16309339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 16309339 is about 4038.4822644157. The cubic root of 16309339 is about 253.5977834445.

The spelling of 16309339 in words is "sixteen million, three hundred nine thousand, three hundred thirty-nine".