900984 has 64 divisors (see below), whose sum is σ = 2672640. Its totient is φ = 247680.

The previous prime is 900973. The next prime is 900997. The reversal of 900984 is 489009.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 900984.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5122 + ... + 5294.

It is an arithmetic number, because the mean of its divisors is an integer number (41760).

2⁹⁰⁰⁹⁸⁴ 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 900984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336320).

900984 is an abundant number, since it is smaller than the sum of its proper divisors (1771656).

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

900984 is a wasteful number, since it uses less digits than its factorization.

900984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 900984 is about 949.2017699099. The cubic root of 900984 is about 96.5841123690.

The spelling of 900984 in words is "nine hundred thousand, nine hundred eighty-four".