14347909 has 4 divisors (see below), whose sum is σ = 14697900. Its totient is φ = 13997920.

The previous prime is 14347891. The next prime is 14347919. The reversal of 14347909 is 90974341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90974341 = 53 ⋅1716497.

It can be written as a sum of positive squares in 2 ways, for example, as 7717284 + 6630625 = 2778^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 14347909 - 2⁹ = 14347397 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 (14347919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174934 + ... + 175015.

It is an arithmetic number, because the mean of its divisors is an integer number (3674475).

Almost surely, 2^14347909 is an apocalyptic number.

It is an amenable number.

14347909 is a deficient number, since it is larger than the sum of its proper divisors (349991).

14347909 is an equidigital number, since it uses as much as digits as its factorization.

14347909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349990.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 14347909 is about 3787.8633819081. The cubic root of 14347909 is about 242.9943661302.

The spelling of 14347909 in words is "fourteen million, three hundred forty-seven thousand, nine hundred nine".