4400287 has 4 divisors (see below), whose sum is σ = 4412160. Its totient is φ = 4388416.

The previous prime is 4400269. The next prime is 4400293. The reversal of 4400287 is 7820044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4400287 - 2¹¹ = 4398239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400387) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5362 + ... + 6127.

It is an arithmetic number, because the mean of its divisors is an integer number (1103040).

Almost surely, 2^4400287 is an apocalyptic number.

4400287 is a deficient number, since it is larger than the sum of its proper divisors (11873).

4400287 is a wasteful number, since it uses less digits than its factorization.

4400287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11872.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 4400287 is about 2097.6861061656. The cubic root of 4400287 is about 163.8678168488.

The spelling of 4400287 in words is "four million, four hundred thousand, two hundred eighty-seven".