14428881 has 8 divisors (see below), whose sum is σ = 21376160. Its totient is φ = 9619236.

The previous prime is 14428867. The next prime is 14428907. The reversal of 14428881 is 18882441.

It is a happy number.

14428881 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14428881 - 2⁵ = 14428849 is a prime.

It is a super-2 number, since 2×14428881² = 416385213824322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14428811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267175 + ... + 267228.

It is an arithmetic number, because the mean of its divisors is an integer number (2672020).

Almost surely, 2^14428881 is an apocalyptic number.

It is an amenable number.

14428881 is a deficient number, since it is larger than the sum of its proper divisors (6947279).

14428881 is an equidigital number, since it uses as much as digits as its factorization.

14428881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534412 (or 534406 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The square root of 14428881 is about 3798.5366919381. The cubic root of 14428881 is about 243.4506194252.

The spelling of 14428881 in words is "fourteen million, four hundred twenty-eight thousand, eight hundred eighty-one".