900234 has 20 divisors (see below), whose sum is σ = 2017554. Its totient is φ = 300024.

The previous prime is 900233. The next prime is 900241. The reversal of 900234 is 432009.

It can be written as a sum of positive squares in only one way, i.e., 558009 + 342225 = 747^2 + 585^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (900233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2617 + ... + 2940.

2⁹⁰⁰²³⁴ is an apocalyptic number.

900234 is an abundant number, since it is smaller than the sum of its proper divisors (1117320).

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

900234 is a wasteful number, since it uses less digits than its factorization.

900234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571 (or 5562 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 900234 is about 948.8066188639. The cubic root of 900234 is about 96.5573053101.

The spelling of 900234 in words is "nine hundred thousand, two hundred thirty-four".