900284 has 48 divisors (see below), whose sum is σ = 2042880. Its totient is φ = 336960.

The previous prime is 900283. The next prime is 900287. The reversal of 900284 is 482009.

It is a super-2 number, since 2×900284² = 1621022561312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900283) 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 15 ways as a sum of consecutive naturals, for example, 11357 + ... + 11435.

It is an arithmetic number, because the mean of its divisors is an integer number (42560).

2⁹⁰⁰²⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 900284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021440).

900284 is an abundant number, since it is smaller than the sum of its proper divisors (1142596).

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

900284 is a wasteful number, since it uses less digits than its factorization.

900284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 900284 is about 948.8329673868. The cubic root of 900284 is about 96.5590929105.

The spelling of 900284 in words is "nine hundred thousand, two hundred eighty-four".