13909384 has 16 divisors (see below), whose sum is σ = 26219520. Its totient is φ = 6917520.

The previous prime is 13909369. The next prime is 13909391. The reversal of 13909384 is 48390931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3024 + ... + 6079.

It is an arithmetic number, because the mean of its divisors is an integer number (1638720).

Almost surely, 2^13909384 is an apocalyptic number.

It is an amenable number.

13909384 is a deficient number, since it is larger than the sum of its proper divisors (12310136).

13909384 is a wasteful number, since it uses less digits than its factorization.

13909384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9300 (or 9296 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 13909384 is about 3729.5286565463. The cubic root of 13909384 is about 240.4931065346.

The spelling of 13909384 in words is "thirteen million, nine hundred nine thousand, three hundred eighty-four".