994400 has 72 divisors (see below), whose sum is σ = 2671704. Its totient is φ = 358400.

The previous prime is 994393. The next prime is 994417. The reversal of 994400 is 4499.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 994400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8744 + ... + 8856.

It is an arithmetic number, because the mean of its divisors is an integer number (37107).

2⁹⁹⁴⁴⁰⁰ 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 994400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335852).

994400 is an abundant number, since it is smaller than the sum of its proper divisors (1677304).

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

994400 is a wasteful number, since it uses less digits than its factorization.

994400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 994400 is about 997.1960689854. The cubic root of 994400 is about 99.8129838008.

Adding to 994400 its reverse (4499), we get a palindrome (998899).

It can be divided in two parts, 99 and 4400, that multiplied together give a square (435600 = 660²).

The spelling of 994400 in words is "nine hundred ninety-four thousand, four hundred".