994500 has 144 divisors (see below), whose sum is σ = 3577392. Its totient is φ = 230400.

The previous prime is 994489. The next prime is 994501. The reversal of 994500 is 5499.

994500 = T₁₆₉ + T₁₇₀ + ... + T₂₂₀.

It is a happy number.

994500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 367236 + 627264 = 606^2 + 792^2 .

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994501) by changing a digit.

994500 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58492 + ... + 58508.

It is an arithmetic number, because the mean of its divisors is an integer number (24843).

2⁹⁹⁴⁵⁰⁰ is an apocalyptic number.

994500 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 994500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788696).

994500 is an abundant number, since it is smaller than the sum of its proper divisors (2582892).

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

994500 is a wasteful number, since it uses less digits than its factorization.

994500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 994500 is about 997.2462083157. The cubic root of 994500 is about 99.8163295248.

Adding to 994500 its reverse (5499), we get a palindrome (999999).

The spelling of 994500 in words is "nine hundred ninety-four thousand, five hundred".