9853994 has 4 divisors (see below), whose sum is σ = 14780994. Its totient is φ = 4926996.

The previous prime is 9853993. The next prime is 9854011. The reversal of 9853994 is 4993589.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4993589 = 131 ⋅38119.

It can be written as a sum of positive squares in only one way, i.e., 9840769 + 13225 = 3137^2 + 115^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9853993) 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 as a sum of consecutive naturals, namely, 2463497 + ... + 2463500.

Almost surely, 2^9853994 is an apocalyptic number.

9853994 is a deficient number, since it is larger than the sum of its proper divisors (4927000).

9853994 is a wasteful number, since it uses less digits than its factorization.

9853994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926999.

The product of its digits is 349920, while the sum is 47.

The square root of 9853994 is about 3139.1071979147. The cubic root of 9853994 is about 214.3897894865.

The spelling of 9853994 in words is "nine million, eight hundred fifty-three thousand, nine hundred ninety-four".