4449881 has 4 divisors (see below), whose sum is σ = 4469712. Its totient is φ = 4430052.

The previous prime is 4449877. The next prime is 4449883. The reversal of 4449881 is 1889444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4449881 - 2² = 4449877 is a prime.

It is a super-2 number, since 2×4449881² = 39602881828322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4449883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9575 + ... + 10028.

It is an arithmetic number, because the mean of its divisors is an integer number (1117428).

Almost surely, 2^4449881 is an apocalyptic number.

It is an amenable number.

4449881 is a deficient number, since it is larger than the sum of its proper divisors (19831).

4449881 is a wasteful number, since it uses less digits than its factorization.

4449881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19830.

The product of its digits is 36864, while the sum is 38.

The square root of 4449881 is about 2109.4741050793. The cubic root of 4449881 is about 164.4811494676.

The spelling of 4449881 in words is "four million, four hundred forty-nine thousand, eight hundred eighty-one".