100006 has 8 divisors (see below), whose sum is σ = 154944. Its totient is φ = 48360.

The previous prime is 100003. The next prime is 100019. The reversal of 100006 is 600001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745 + ... + 868.

It is an arithmetic number, because the mean of its divisors is an integer number (19368).

2¹⁰⁰⁰⁰⁶ is an apocalyptic number.

100006 is a deficient number, since it is larger than the sum of its proper divisors (54938).

100006 is a wasteful number, since it uses less digits than its factorization.

100006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 100006 is about 316.2372527075. The cubic root of 100006 is about 46.4168166353.

Adding to 100006 its reverse (600001), we get a palindrome (700007).

The spelling of 100006 in words is "one hundred thousand, six".