14428538 has 4 divisors (see below), whose sum is σ = 21642810. Its totient is φ = 7214268.

The previous prime is 14428537. The next prime is 14428553. The reversal of 14428538 is 83582441.

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., 13520329 + 908209 = 3677^2 + 953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14428498 and 14428507.

It is not an unprimeable number, because it can be changed into a prime (14428537) 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 as a sum of consecutive naturals, namely, 3607133 + ... + 3607136.

Almost surely, 2^14428538 is an apocalyptic number.

14428538 is a deficient number, since it is larger than the sum of its proper divisors (7214272).

14428538 is an equidigital number, since it uses as much as digits as its factorization.

14428538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7214271.

The product of its digits is 30720, while the sum is 35.

The square root of 14428538 is about 3798.4915427048. The cubic root of 14428538 is about 243.4486903261.

It can be divided in two parts, 144 and 28538, that added together give a palindrome (28682).

The spelling of 14428538 in words is "fourteen million, four hundred twenty-eight thousand, five hundred thirty-eight".