9894994 has 16 divisors (see below), whose sum is σ = 15222168. Its totient is φ = 4822272.

The previous prime is 9894979. The next prime is 9895001. The reversal of 9894994 is 4994989.

It can be written as a sum of positive squares in 4 ways, for example, as 6953769 + 2941225 = 2637^2 + 1715^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29194 + ... + 29530.

Almost surely, 2^9894994 is an apocalyptic number.

9894994 is a deficient number, since it is larger than the sum of its proper divisors (5327174).

9894994 is a wasteful number, since it uses less digits than its factorization.

9894994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669.

The product of its digits is 839808, while the sum is 52.

The square root of 9894994 is about 3145.6309383016. The cubic root of 9894994 is about 214.6867187824.

The spelling of 9894994 in words is "nine million, eight hundred ninety-four thousand, nine hundred ninety-four".