14407428 has 24 divisors (see below), whose sum is σ = 38420032. Its totient is φ = 4116384.

The previous prime is 14407423. The next prime is 14407439. The reversal of 14407428 is 82470441.

It is a junction number, because it is equal to n+sod(n) for n = 14407395 and 14407404.

It is not an unprimeable number, because it can be changed into a prime (14407423) 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 in 7 ways as a sum of consecutive naturals, for example, 85675 + ... + 85842.

Almost surely, 2^14407428 is an apocalyptic number.

It is an amenable number.

14407428 is an abundant number, since it is smaller than the sum of its proper divisors (24012604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14407428 is a wasteful number, since it uses less digits than its factorization.

14407428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171531 (or 171529 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 14407428 is about 3795.7117909557. The cubic root of 14407428 is about 243.3299046659.

Adding to 14407428 its reverse (82470441), we get a palindrome (96877869).

The spelling of 14407428 in words is "fourteen million, four hundred seven thousand, four hundred twenty-eight".