4388886 has 48 divisors (see below), whose sum is σ = 10286640. Its totient is φ = 1347840.

The previous prime is 4388869. The next prime is 4388897. The reversal of 4388886 is 6888834.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13866 + ... + 14178.

It is an arithmetic number, because the mean of its divisors is an integer number (214305).

Almost surely, 2^4388886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4388886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5143320).

4388886 is an abundant number, since it is smaller than the sum of its proper divisors (5897754).

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

4388886 is a wasteful number, since it uses less digits than its factorization.

4388886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 378 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 4388886 is about 2094.9668255130. The cubic root of 4388886 is about 163.7261690550.

The spelling of 4388886 in words is "four million, three hundred eighty-eight thousand, eight hundred eighty-six".