900506 has 16 divisors (see below), whose sum is σ = 1424544. Its totient is φ = 426384.

The previous prime is 900491. The next prime is 900511. The reversal of 900506 is 605009.

It is a super-2 number, since 2×900506² = 1621822112072, which contains 22 as substring.

It is a Curzon 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 in 7 ways as a sum of consecutive naturals, for example, 3041 + ... + 3323.

It is an arithmetic number, because the mean of its divisors is an integer number (89034).

2⁹⁰⁰⁵⁰⁶ is an apocalyptic number.

900506 is a deficient number, since it is larger than the sum of its proper divisors (524038).

900506 is a wasteful number, since it uses less digits than its factorization.

900506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 900506 is about 948.9499459929. The cubic root of 900506 is about 96.5670290569.

The spelling of 900506 in words is "nine hundred thousand, five hundred six".