14428641 has 4 divisors (see below), whose sum is σ = 19238192. Its totient is φ = 9619092.

The previous prime is 14428559. The next prime is 14428643. The reversal of 14428641 is 14682441.

14428641 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 a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14428641 - 2⁹ = 14428129 is a prime.

It is a super-2 number, since 2×14428641² = 416371362213762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14428599 and 14428608.

It is not an unprimeable number, because it can be changed into a prime (14428643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2404771 + ... + 2404776.

It is an arithmetic number, because the mean of its divisors is an integer number (4809548).

Almost surely, 2^14428641 is an apocalyptic number.

It is an amenable number.

14428641 is a deficient number, since it is larger than the sum of its proper divisors (4809551).

14428641 is an equidigital number, since it uses as much as digits as its factorization.

14428641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809550.

The product of its digits is 6144, while the sum is 30.

The square root of 14428641 is about 3798.5051006942. The cubic root of 14428641 is about 243.4492696214.

The spelling of 14428641 in words is "fourteen million, four hundred twenty-eight thousand, six hundred forty-one".