4287444 has 48 divisors (see below), whose sum is σ = 11708928. Its totient is φ = 1195488.

The previous prime is 4287431. The next prime is 4287457. The reversal of 4287444 is 4447824.

It is an interprime number because it is at equal distance from previous prime (4287431) and next prime (4287457).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3019 + ... + 4205.

It is an arithmetic number, because the mean of its divisors is an integer number (243936).

Almost surely, 2^4287444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4287444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5854464).

4287444 is an abundant number, since it is smaller than the sum of its proper divisors (7421484).

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

4287444 is a wasteful number, since it uses less digits than its factorization.

4287444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1242 counting only the distinct ones).

The product of its digits is 28672, while the sum is 33.

The square root of 4287444 is about 2070.6144015726. The cubic root of 4287444 is about 162.4549018836.

The spelling of 4287444 in words is "four million, two hundred eighty-seven thousand, four hundred forty-four".