4388887 has 6 divisors (see below), whose sum is σ = 4536024. Its totient is φ = 4246380.

The previous prime is 4388869. The next prime is 4388897. The reversal of 4388887 is 7888834.

It is not a de Polignac number, because 4388887 - 2¹⁹ = 3864599 is a prime.

It is a Duffinian number.

4388887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4388827) 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 5 ways as a sum of consecutive naturals, for example, 1323 + ... + 3244.

It is an arithmetic number, because the mean of its divisors is an integer number (756004).

Almost surely, 2^4388887 is an apocalyptic number.

4388887 is a deficient number, since it is larger than the sum of its proper divisors (147137).

4388887 is an equidigital number, since it uses as much as digits as its factorization.

4388887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629 (or 4598 counting only the distinct ones).

The product of its digits is 344064, while the sum is 46.

The square root of 4388887 is about 2094.9670641802. The cubic root of 4388887 is about 163.7261814899.

The spelling of 4388887 in words is "four million, three hundred eighty-eight thousand, eight hundred eighty-seven".