440881 has 4 divisors (see below), whose sum is σ = 503872. Its totient is φ = 377892.

The previous prime is 440863. The next prime is 440893. The reversal of 440881 is 188044.

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 440881 - 2⁵ = 440849 is a prime.

It is a super-2 number, since 2×440881² = 388752112322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (440821) 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, 31485 + ... + 31498.

It is an arithmetic number, because the mean of its divisors is an integer number (125968).

2⁴⁴⁰⁸⁸¹ is an apocalyptic number.

It is an amenable number.

440881 is a deficient number, since it is larger than the sum of its proper divisors (62991).

440881 is an equidigital number, since it uses as much as digits as its factorization.

440881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62990.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 440881 is about 663.9887047232. The cubic root of 440881 is about 76.1097790253.

It can be divided in two parts, 4408 and 81, that added together give a square (4489 = 67²).

The spelling of 440881 in words is "four hundred forty thousand, eight hundred eighty-one".