944005 has 4 divisors (see below), whose sum is σ = 1132812. Its totient is φ = 755200.

The previous prime is 944003. The next prime is 944017. The reversal of 944005 is 500449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500449 = 193 ⋅2593.

It can be written as a sum of positive squares in 2 ways, for example, as 567009 + 376996 = 753^2 + 614^2 .

It is not a de Polignac number, because 944005 - 2¹ = 944003 is a prime.

It is a super-3 number, since 3×944005³ = 2523737253332400375, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

944005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944003) 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, 94396 + ... + 94405.

It is an arithmetic number, because the mean of its divisors is an integer number (283203).

2⁹⁴⁴⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

944005 is a deficient number, since it is larger than the sum of its proper divisors (188807).

944005 is a wasteful number, since it uses less digits than its factorization.

944005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188806.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 944005 is about 971.5991972002. The cubic root of 944005 is about 98.0975358247.

Subtracting from 944005 its reverse (500449), we obtain a square (443556 = 666²).

The spelling of 944005 in words is "nine hundred forty-four thousand, five".