994440 has 32 divisors (see below), whose sum is σ = 2983680. Its totient is φ = 265152.

The previous prime is 994417. The next prime is 994447. The reversal of 994440 is 44499.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 994398 and 994407.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 994440.

It is not an unprimeable number, because it can be changed into a prime (994447) 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, 4024 + ... + 4263.

It is an arithmetic number, because the mean of its divisors is an integer number (93240).

2⁹⁹⁴⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

994440 is an abundant number, since it is smaller than the sum of its proper divisors (1989240).

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

994440 is a wasteful number, since it uses less digits than its factorization.

994440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8301 (or 8297 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 994440 is about 997.2161250200. The cubic root of 994440 is about 99.8143221173.

It can be divided in two parts, 9 and 94440, that added together give a palindrome (94449).

The spelling of 994440 in words is "nine hundred ninety-four thousand, four hundred forty".