9994238 has 4 divisors (see below), whose sum is σ = 14991360. Its totient is φ = 4997118.

The previous prime is 9994223. The next prime is 9994261. The reversal of 9994238 is 8324999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8324999 = 1489 ⋅5591.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2498558 + ... + 2498561.

It is an arithmetic number, because the mean of its divisors is an integer number (3747840).

Almost surely, 2^9994238 is an apocalyptic number.

9994238 is a deficient number, since it is larger than the sum of its proper divisors (4997122).

9994238 is a wasteful number, since it uses less digits than its factorization.

9994238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997121.

The product of its digits is 139968, while the sum is 44.

The square root of 9994238 is about 3161.3664766996. The cubic root of 9994238 is about 215.4020815441.

The spelling of 9994238 in words is "nine million, nine hundred ninety-four thousand, two hundred thirty-eight".