900006 has 8 divisors (see below), whose sum is σ = 1800024. Its totient is φ = 300000.

The previous prime is 900001. The next prime is 900007. The reversal of 900006 is 600009.

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

900006 is an admirable number.

900006 is a strobogrammatic number because it is the same when read upside-down.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74995 + ... + 75006.

It is an arithmetic number, because the mean of its divisors is an integer number (225003).

2⁹⁰⁰⁰⁰⁶ is an apocalyptic number.

900006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

900006 is a wasteful number, since it uses less digits than its factorization.

900006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150006.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 900006 is about 948.6864603229. The cubic root of 900006 is about 96.5491530133.

The spelling of 900006 in words is "nine hundred thousand, six".