9994637 has 4 divisors (see below), whose sum is σ = 10039680. Its totient is φ = 9949596.

The previous prime is 9994631. The next prime is 9994669. The reversal of 9994637 is 7364999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9994637 - 2⁶ = 9994573 is a prime.

It is a d-powerful number, because it can be written as 9⁴ + 9⁵ + 9⁷ + 4¹⁰ + 6⁸ + 3¹³ + 7⁷ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9994591 and 9994600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22187 + ... + 22632.

It is an arithmetic number, because the mean of its divisors is an integer number (2509920).

Almost surely, 2^9994637 is an apocalyptic number.

It is an amenable number.

9994637 is a deficient number, since it is larger than the sum of its proper divisors (45043).

9994637 is a wasteful number, since it uses less digits than its factorization.

9994637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45042.

The product of its digits is 367416, while the sum is 47.

The square root of 9994637 is about 3161.4295816924. The cubic root of 9994637 is about 215.4049480053.

The spelling of 9994637 in words is "nine million, nine hundred ninety-four thousand, six hundred thirty-seven".