14109609 has 16 divisors (see below), whose sum is σ = 20969280. Its totient is φ = 8386560.

The previous prime is 14109593. The next prime is 14109629. The reversal of 14109609 is 90690141.

It is not a de Polignac number, because 14109609 - 2⁴ = 14109593 is a prime.

It is a super-2 number, since 2×14109609² = 398162132265762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14109629) 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, 6312 + ... + 8249.

It is an arithmetic number, because the mean of its divisors is an integer number (1310580).

Almost surely, 2^14109609 is an apocalyptic number.

14109609 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14109609 is a deficient number, since it is larger than the sum of its proper divisors (6859671).

14109609 is a wasteful number, since it uses less digits than its factorization.

14109609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14600.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 14109609 is about 3756.2759483297. The cubic root of 14109609 is about 241.6415760449.

The spelling of 14109609 in words is "fourteen million, one hundred nine thousand, six hundred nine".