994566 has 16 divisors (see below), whose sum is σ = 2075904. Its totient is φ = 317064.

The previous prime is 994561. The next prime is 994571. The reversal of 994566 is 665499.

994566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (994561) and next prime (994571).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994561) by changing a digit.

994566 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 7 ways as a sum of consecutive naturals, for example, 3466 + ... + 3741.

It is an arithmetic number, because the mean of its divisors is an integer number (129744).

2⁹⁹⁴⁵⁶⁶ is an apocalyptic number.

994566 is an abundant number, since it is smaller than the sum of its proper divisors (1081338).

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

994566 is a wasteful number, since it uses less digits than its factorization.

994566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235.

The product of its digits is 58320, while the sum is 39.

The square root of 994566 is about 997.2792988927. The cubic root of 994566 is about 99.8185375797.

It can be divided in two parts, 9945 and 66, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 994566 in words is "nine hundred ninety-four thousand, five hundred sixty-six".