994240 has 56 divisors (see below), whose sum is σ = 2560320. Its totient is φ = 365568.

The previous prime is 994237. The next prime is 994241. The reversal of 994240 is 42499.

994240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 994199 and 994208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994241) 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, 4041 + ... + 4279.

It is an arithmetic number, because the mean of its divisors is an integer number (45720).

2⁹⁹⁴²⁴⁰ 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 994240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280160).

994240 is an abundant number, since it is smaller than the sum of its proper divisors (1566080).

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

994240 is a wasteful number, since it uses less digits than its factorization.

994240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 994240 is about 997.1158408129. The cubic root of 994240 is about 99.8076301758.

It can be divided in two parts, 9 and 94240, that added together give a palindrome (94249).

The spelling of 994240 in words is "nine hundred ninety-four thousand, two hundred forty".