14491909 has 8 divisors (see below), whose sum is σ = 15644160. Its totient is φ = 13383216.

The previous prime is 14491891. The next prime is 14491921. The reversal of 14491909 is 90919441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14491909 - 2⁹ = 14491397 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 (14491969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10197 + ... + 11530.

It is an arithmetic number, because the mean of its divisors is an integer number (1955520).

Almost surely, 2^14491909 is an apocalyptic number.

It is an amenable number.

14491909 is a deficient number, since it is larger than the sum of its proper divisors (1152251).

14491909 is a wasteful number, since it uses less digits than its factorization.

14491909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21779.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 14491909 is about 3806.8240043375. The cubic root of 14491909 is about 243.8045835245.

It can be divided in two parts, 14491 and 909, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 14491909 in words is "fourteen million, four hundred ninety-one thousand, nine hundred nine".