4421287 has 8 divisors (see below), whose sum is σ = 4790240. Its totient is φ = 4056480.

The previous prime is 4421257. The next prime is 4421297. The reversal of 4421287 is 7821244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4421287 - 2⁷ = 4421159 is a prime.

4421287 is a modest number, since divided by 1287 gives 442 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421227) 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, 1414 + ... + 3292.

It is an arithmetic number, because the mean of its divisors is an integer number (598780).

Almost surely, 2^4421287 is an apocalyptic number.

4421287 is a deficient number, since it is larger than the sum of its proper divisors (368953).

4421287 is a wasteful number, since it uses less digits than its factorization.

4421287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073.

The product of its digits is 3584, while the sum is 28.

The square root of 4421287 is about 2102.6856636216. The cubic root of 4421287 is about 164.1280850468.

The spelling of 4421287 in words is "four million, four hundred twenty-one thousand, two hundred eighty-seven".