14640343 has 2 divisors, whose sum is σ = 14640344. Its totient is φ = 14640342.

The previous prime is 14640337. The next prime is 14640361. The reversal of 14640343 is 34304641.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14640343 - 2²¹ = 12543191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14640323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7320171 + 7320172.

It is an arithmetic number, because the mean of its divisors is an integer number (7320172).

Almost surely, 2^14640343 is an apocalyptic number.

14640343 is a deficient number, since it is larger than the sum of its proper divisors (1).

14640343 is an equidigital number, since it uses as much as digits as its factorization.

14640343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 14640343 is about 3826.2701159223. The cubic root of 14640343 is about 244.6341506168.

Adding to 14640343 its reverse (34304641), we get a palindrome (48944984).

The spelling of 14640343 in words is "fourteen million, six hundred forty thousand, three hundred forty-three".