900566009 has 8 divisors (see below), whose sum is σ = 1083387840. Its totient is φ = 731286576.

The previous prime is 900565993. The next prime is 900566011. The reversal of 900566009 is 900665009.

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

It is a cyclic number.

It is not a de Polignac number, because 900566009 - 2⁴ = 900565993 is a prime.

It is a super-2 number, since 2×900566009² = 1622038273132376162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 900566009.

It is not an unprimeable number, because it can be changed into a prime (900566209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3385454 + ... + 3385719.

It is an arithmetic number, because the mean of its divisors is an integer number (135423480).

Almost surely, 2^900566009 is an apocalyptic number.

It is an amenable number.

900566009 is a deficient number, since it is larger than the sum of its proper divisors (182821831).

900566009 is a wasteful number, since it uses less digits than its factorization.

900566009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6771199.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 900566009 is about 30009.4320006227. The cubic root of 900566009 is about 965.6917405915.

The spelling of 900566009 in words is "nine hundred million, five hundred sixty-six thousand, nine".