9994437 has 24 divisors (see below), whose sum is σ = 15323360. Its totient is φ = 6259680.

The previous prime is 9994427. The next prime is 9994441. The reversal of 9994437 is 7344999.

It is not a de Polignac number, because 9994437 - 2⁴ = 9994421 is a prime.

It is a d-powerful number, because it can be written as 9 + 9² + 9⁷ + 4⁷ + 4¹¹ + 3¹¹ + 7⁷ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9994392 and 9994401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35943 + ... + 36219.

Almost surely, 2^9994437 is an apocalyptic number.

It is an amenable number.

9994437 is a deficient number, since it is larger than the sum of its proper divisors (5328923).

9994437 is a wasteful number, since it uses less digits than its factorization.

9994437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 510 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 9994437 is about 3161.3979502745. The cubic root of 9994437 is about 215.4035111922.

The spelling of 9994437 in words is "nine million, nine hundred ninety-four thousand, four hundred thirty-seven".