984040 has 32 divisors (see below), whose sum is σ = 2251080. Its totient is φ = 387072.

The previous prime is 984037. The next prime is 984047. The reversal of 984040 is 40489.

984040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 715716 + 268324 = 846^2 + 518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 983996 and 984014.

It is not an unprimeable number, because it can be changed into a prime (984047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2752 + ... + 3088.

2⁹⁸⁴⁰⁴⁰ 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 984040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125540).

984040 is an abundant number, since it is smaller than the sum of its proper divisors (1267040).

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

984040 is a wasteful number, since it uses less digits than its factorization.

984040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 984040 is about 991.9879031520. The cubic root of 984040 is about 99.4651443950.

The spelling of 984040 in words is "nine hundred eighty-four thousand, forty".