4388881 has 12 divisors (see below), whose sum is σ = 5226672. Its totient is φ = 3672648.

The previous prime is 4388869. The next prime is 4388897. The reversal of 4388881 is 1888834.

It is a de Polignac number, because none of the positive numbers 2^k-4388881 is a prime.

It is a super-2 number, since 2×4388881² = 38524552864322, which contains 22 as substring.

It is a Duffinian number.

4388881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4388821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066 + ... + 3148.

It is an arithmetic number, because the mean of its divisors is an integer number (435556).

Almost surely, 2^4388881 is an apocalyptic number.

It is an amenable number.

4388881 is a deficient number, since it is larger than the sum of its proper divisors (837791).

4388881 is a wasteful number, since it uses less digits than its factorization.

4388881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140 (or 2133 counting only the distinct ones).

The product of its digits is 49152, while the sum is 40.

The square root of 4388881 is about 2094.9656321763. The cubic root of 4388881 is about 163.7261068804.

The spelling of 4388881 in words is "four million, three hundred eighty-eight thousand, eight hundred eighty-one".