4287644 has 6 divisors (see below), whose sum is σ = 7503384. Its totient is φ = 2143820.

The previous prime is 4287643. The next prime is 4287667. The reversal of 4287644 is 4467824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535952 + ... + 535959.

It is an arithmetic number, because the mean of its divisors is an integer number (1250564).

Almost surely, 2^4287644 is an apocalyptic number.

It is an amenable number.

4287644 is a deficient number, since it is larger than the sum of its proper divisors (3215740).

4287644 is a wasteful number, since it uses less digits than its factorization.

4287644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071915 (or 1071913 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 4287644 is about 2070.6626958537. The cubic root of 4287644 is about 162.4574279011.

The spelling of 4287644 in words is "four million, two hundred eighty-seven thousand, six hundred forty-four".