900010 has 8 divisors (see below), whose sum is σ = 1620036. Its totient is φ = 360000.

The previous prime is 900007. The next prime is 900019. The reversal of 900010 is 10009.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 811801 + 88209 = 901^2 + 297^2 .

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 (10), and also a Moran number because the ratio is a prime number: 90001 = 900010 / (9 + 0 + 0 + 0 + 1 + 0).

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 900010.

It is not an unprimeable number, because it can be changed into a prime (900019) 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, 44991 + ... + 45010.

2⁹⁰⁰⁰¹⁰ is an apocalyptic number.

900010 is a deficient number, since it is larger than the sum of its proper divisors (720026).

900010 is a wasteful number, since it uses less digits than its factorization.

900010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90008.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 900010 is about 948.6885684986. The cubic root of 900010 is about 96.5492960479.

Adding to 900010 its reverse (10009), we get a palindrome (910019).

The spelling of 900010 in words is "nine hundred thousand, ten".