487944 has 48 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 162000.

The previous prime is 487943. The next prime is 487973. The reversal of 487944 is 449784.

487944 is nontrivially palindromic in base 15.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (32256) is a multiple of the sum of its prime divisors (256).

It is a junction number, because it is equal to n+sod(n) for n = 487899 and 487908.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 487944.

It is not an unprimeable number, because it can be changed into a prime (487943) 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, 1819 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (28665).

2⁴⁸⁷⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687960).

487944 is an abundant number, since it is smaller than the sum of its proper divisors (887976).

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

487944 is a wasteful number, since it uses less digits than its factorization.

487944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 256 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 487944 is about 698.5298848296. The cubic root of 487944 is about 78.7269320189.

It can be divided in two parts, 487 and 944, that added together give a triangular number (1431 = T₅₃).

The spelling of 487944 in words is "four hundred eighty-seven thousand, nine hundred forty-four".