994505 has 4 divisors (see below), whose sum is σ = 1193412. Its totient is φ = 795600.

The previous prime is 994501. The next prime is 994549. The reversal of 994505 is 505499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505499 = 29 ⋅17431.

It can be written as a sum of positive squares in 2 ways, for example, as 241081 + 753424 = 491^2 + 868^2 .

It is not a de Polignac number, because 994505 - 2² = 994501 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 994505.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99446 + ... + 99455.

It is an arithmetic number, because the mean of its divisors is an integer number (298353).

2⁹⁹⁴⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

994505 is a deficient number, since it is larger than the sum of its proper divisors (198907).

994505 is a wasteful number, since it uses less digits than its factorization.

994505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198906.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 994505 is about 997.2487152160. The cubic root of 994505 is about 99.8164968051.

The spelling of 994505 in words is "nine hundred ninety-four thousand, five hundred five".