900206 has 4 divisors (see below), whose sum is σ = 1350312. Its totient is φ = 450102.

The previous prime is 900187. The next prime is 900217. The reversal of 900206 is 602009.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 225050 + ... + 225053.

It is an arithmetic number, because the mean of its divisors is an integer number (337578).

2⁹⁰⁰²⁰⁶ is an apocalyptic number.

900206 is a deficient number, since it is larger than the sum of its proper divisors (450106).

900206 is a wasteful number, since it uses less digits than its factorization.

900206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450105.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 900206 is about 948.7918633715. The cubic root of 900206 is about 96.5563042250.

The spelling of 900206 in words is "nine hundred thousand, two hundred six".