14099409 has 12 divisors (see below), whose sum is σ = 21564036. Its totient is φ = 8846592.

The previous prime is 14099401. The next prime is 14099441. The reversal of 14099409 is 90499041.

It can be written as a sum of positive squares in 2 ways, for example, as 10595025 + 3504384 = 3255^2 + 1872^2 .

It is not a de Polignac number, because 14099409 - 2³ = 14099401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14099401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45924 + ... + 46229.

It is an arithmetic number, because the mean of its divisors is an integer number (1797003).

Almost surely, 2^14099409 is an apocalyptic number.

It is an amenable number.

14099409 is a deficient number, since it is larger than the sum of its proper divisors (7464627).

14099409 is a wasteful number, since it uses less digits than its factorization.

14099409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92176 (or 92173 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 14099409 is about 3754.9179751361. The cubic root of 14099409 is about 241.5833335085.

The spelling of 14099409 in words is "fourteen million, ninety-nine thousand, four hundred nine".