994885 has 4 divisors (see below), whose sum is σ = 1193868. Its totient is φ = 795904.

The previous prime is 994879. The next prime is 994901. The reversal of 994885 is 588499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588499 = 97 ⋅6067.

It can be written as a sum of positive squares in 2 ways, for example, as 450241 + 544644 = 671^2 + 738^2 .

It is a cyclic number.

It is not a de Polignac number, because 994885 - 2⁵ = 994853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 99484 + ... + 99493.

It is an arithmetic number, because the mean of its divisors is an integer number (298467).

2⁹⁹⁴⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

994885 is a deficient number, since it is larger than the sum of its proper divisors (198983).

994885 is a wasteful number, since it uses less digits than its factorization.

994885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198982.

The product of its digits is 103680, while the sum is 43.

The square root of 994885 is about 997.4392212060. The cubic root of 994885 is about 99.8292084686.

The spelling of 994885 in words is "nine hundred ninety-four thousand, eight hundred eighty-five".