984340 has 48 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 329472.

The previous prime is 984337. The next prime is 984341. The reversal of 984340 is 43489.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 984299 and 984308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11016 + ... + 11104.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2⁹⁸⁴³⁴⁰ 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 984340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209600).

984340 is an abundant number, since it is smaller than the sum of its proper divisors (1434860).

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

984340 is a wasteful number, since it uses less digits than its factorization.

984340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 984340 is about 992.1391031504. The cubic root of 984340 is about 99.4752512035.

The spelling of 984340 in words is "nine hundred eighty-four thousand, three hundred forty".