9994237 has 12 divisors (see below), whose sum is σ = 11078368. Its totient is φ = 9009000.

The previous prime is 9994223. The next prime is 9994261. The reversal of 9994237 is 7324999.

It is not a de Polignac number, because 9994237 - 2⁷ = 9994109 is a prime.

It is a Duffinian number.

9994237 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9994193 and 9994202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17998 + ... + 18544.

Almost surely, 2^9994237 is an apocalyptic number.

It is an amenable number.

9994237 is a deficient number, since it is larger than the sum of its proper divisors (1084131).

9994237 is a wasteful number, since it uses less digits than its factorization.

9994237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 709 counting only the distinct ones).

The product of its digits is 122472, while the sum is 43.

The square root of 9994237 is about 3161.3663185401. The cubic root of 9994237 is about 215.4020743599.

The spelling of 9994237 in words is "nine million, nine hundred ninety-four thousand, two hundred thirty-seven".