440988 has 12 divisors (see below), whose sum is σ = 1029000. Its totient is φ = 146992.

The previous prime is 440987. The next prime is 440989. The reversal of 440988 is 889044.

It is an interprime number because it is at equal distance from previous prime (440987) and next prime (440989).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×440988² = 388940832288, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 440988.

It is not an unprimeable number, because it can be changed into a prime (440983) 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 3 ways as a sum of consecutive naturals, for example, 18363 + ... + 18386.

It is an arithmetic number, because the mean of its divisors is an integer number (85750).

2⁴⁴⁰⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

440988 is an abundant number, since it is smaller than the sum of its proper divisors (588012).

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

440988 is a wasteful number, since it uses less digits than its factorization.

440988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36756 (or 36754 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 440988 is about 664.0692734949. The cubic root of 440988 is about 76.1159357037.

The spelling of 440988 in words is "four hundred forty thousand, nine hundred eighty-eight".