984240 has 60 divisors (see below), whose sum is σ = 3307824. Its totient is φ = 262272.

The previous prime is 984211. The next prime is 984241. The reversal of 984240 is 42489.

It is a tau number, because it is divible by the number of its divisors (60).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 984240.

It is not an unprimeable number, because it can be changed into a prime (984241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37 + ... + 1403.

2⁹⁸⁴²⁴⁰ is an apocalyptic number.

984240 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 984240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1653912).

984240 is an abundant number, since it is smaller than the sum of its proper divisors (2323584).

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

984240 is a wasteful number, since it uses less digits than its factorization.

984240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 984240 is about 992.0887057113. The cubic root of 984240 is about 99.4718824956.

The spelling of 984240 in words is "nine hundred eighty-four thousand, two hundred forty".