99996938 has 4 divisors (see below), whose sum is σ = 149995410. Its totient is φ = 49998468.

The previous prime is 99996931. The next prime is 99996947. The reversal of 99996938 is 83969999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83969999 = 4931 ⋅17029.

It can be written as a sum of positive squares in only one way, i.e., 89737729 + 10259209 = 9473^2 + 3203^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99996931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999233 + ... + 24999236.

Almost surely, 2^99996938 is an apocalyptic number.

99996938 is a deficient number, since it is larger than the sum of its proper divisors (49998472).

99996938 is a wasteful number, since it uses less digits than its factorization.

99996938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49998471.

The product of its digits is 8503056, while the sum is 62.

The square root of 99996938 is about 9999.8468988280. The cubic root of 99996938 is about 464.1541457979.

The spelling of 99996938 in words is "ninety-nine million, nine hundred ninety-six thousand, nine hundred thirty-eight".