4287447 has 12 divisors (see below), whose sum is σ = 6406920. Its totient is φ = 2759568.

The previous prime is 4287431. The next prime is 4287457. The reversal of 4287447 is 7447824.

It is not a de Polignac number, because 4287447 - 2⁴ = 4287431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287427) 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 11 ways as a sum of consecutive naturals, for example, 7953 + ... + 8474.

It is an arithmetic number, because the mean of its divisors is an integer number (533910).

Almost surely, 2^4287447 is an apocalyptic number.

4287447 is a deficient number, since it is larger than the sum of its proper divisors (2119473).

4287447 is a wasteful number, since it uses less digits than its factorization.

4287447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16462 (or 16459 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 4287447 is about 2070.6151259952. The cubic root of 4287447 is about 162.4549397745.

It can be divided in two parts, 428 and 7447, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 4287447 in words is "four million, two hundred eighty-seven thousand, four hundred forty-seven".