8194994 has 16 divisors (see below), whose sum is σ = 12792600. Its totient is φ = 3932544.

The previous prime is 8194987. The next prime is 8194997. The reversal of 8194994 is 4994918.

It can be written as a sum of positive squares in 4 ways, for example, as 6786025 + 1408969 = 2605^2 + 1187^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8194997) by changing a digit.

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, 12974 + ... + 13590.

Almost surely, 2^8194994 is an apocalyptic number.

8194994 is a deficient number, since it is larger than the sum of its proper divisors (4597606).

8194994 is a wasteful number, since it uses less digits than its factorization.

8194994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its digits is 93312, while the sum is 44.

The square root of 8194994 is about 2862.6899936947. The cubic root of 8194994 is about 201.6119236092.

The spelling of 8194994 in words is "eight million, one hundred ninety-four thousand, nine hundred ninety-four".