44006 has 4 divisors (see below), whose sum is σ = 66012. Its totient is φ = 22002.

The previous prime is 43997. The next prime is 44017. The reversal of 44006 is 60044.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

44006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000 + ... + 11003.

It is an arithmetic number, because the mean of its divisors is an integer number (16503).

2⁴⁴⁰⁰⁶ is an apocalyptic number.

44006 is a deficient number, since it is larger than the sum of its proper divisors (22006).

44006 is a wasteful number, since it uses less digits than its factorization.

44006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22005.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 44006 is about 209.7760710853. The cubic root of 44006 is about 35.3050879841.

The spelling of 44006 in words is "forty-four thousand, six", and thus it is an eban number.