44487 has 6 divisors (see below), whose sum is σ = 64272. Its totient is φ = 29652.

The previous prime is 44483. The next prime is 44491. The reversal of 44487 is 78444.

It is an interprime number because it is at equal distance from previous prime (44483) and next prime (44491).

It is not a de Polignac number, because 44487 - 2² = 44483 is a prime.

44487 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 44487.

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 44487.

It is not an unprimeable number, because it can be changed into a prime (44483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2463 + ... + 2480.

It is an arithmetic number, because the mean of its divisors is an integer number (10712).

2⁴⁴⁴⁸⁷ is an apocalyptic number.

44487 is a deficient number, since it is larger than the sum of its proper divisors (19785).

44487 is a wasteful number, since it uses less digits than its factorization.

44487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949 (or 4946 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 44487 is about 210.9194158915. The cubic root of 44487 is about 35.4332542061.

The spelling of 44487 in words is "forty-four thousand, four hundred eighty-seven".