14640338 has 4 divisors (see below), whose sum is σ = 21960510. Its totient is φ = 7320168.

The previous prime is 14640337. The next prime is 14640343. The reversal of 14640338 is 83304641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12369289 + 2271049 = 3517^2 + 1507^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14640338.

It is not an unprimeable number, because it can be changed into a prime (14640337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3660083 + ... + 3660086.

Almost surely, 2^14640338 is an apocalyptic number.

14640338 is a deficient number, since it is larger than the sum of its proper divisors (7320172).

14640338 is an equidigital number, since it uses as much as digits as its factorization.

14640338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320171.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 14640338 is about 3826.2694625444. The cubic root of 14640338 is about 244.6341227675.

Adding to 14640338 its reverse (83304641), we get a palindrome (97944979).

The spelling of 14640338 in words is "fourteen million, six hundred forty thousand, three hundred thirty-eight".