994565 has 24 divisors (see below), whose sum is σ = 1423008. Its totient is φ = 661440.

The previous prime is 994561. The next prime is 994571. The reversal of 994565 is 565499.

994565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 994565 - 2² = 994561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 994565.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9242 + ... + 9348.

It is an arithmetic number, because the mean of its divisors is an integer number (59292).

2⁹⁹⁴⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

994565 is a deficient number, since it is larger than the sum of its proper divisors (428443).

994565 is a wasteful number, since it uses less digits than its factorization.

994565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 136 counting only the distinct ones).

The product of its digits is 48600, while the sum is 38.

The square root of 994565 is about 997.2787975286. The cubic root of 994565 is about 99.8185041251.

It can be divided in two parts, 99 and 4565, that added together give a palindrome (4664).

The spelling of 994565 in words is "nine hundred ninety-four thousand, five hundred sixty-five".