1000006 has 8 divisors (see below), whose sum is σ = 1714320. Its totient is φ = 428568.

The previous prime is 1000003. The next prime is 1000033. The reversal of 1000006 is 6000001.

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

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000003) 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, 35701 + ... + 35728.

It is an arithmetic number, because the mean of its divisors is an integer number (214290).

2^1000006 is an apocalyptic number.

1000006 is a deficient number, since it is larger than the sum of its proper divisors (714314).

1000006 is an equidigital number, since it uses as much as digits as its factorization.

1000006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71438.

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

The square root of 1000006 is about 1000.0029999955. The cubic root of 1000006 is about 100.0001999996. Note that the first 3 decimals are identical.

Adding to 1000006 its reverse (6000001), we get a palindrome (7000007).

The spelling of 1000006 in words is "one million, six", and thus it is an aban number and an uban number.