99938953 has 2 divisors, whose sum is σ = 99938954. Its totient is φ = 99938952.

The previous prime is 99938941. The next prime is 99938977. The reversal of 99938953 is 35983999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68095504 + 31843449 = 8252^2 + 5643^2 .

It is a cyclic number.

It is not a de Polignac number, because 99938953 - 2⁵ = 99938921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99938894 and 99938903.

It is not a weakly prime, because it can be changed into another prime (99938353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49969476 + 49969477.

It is an arithmetic number, because the mean of its divisors is an integer number (49969477).

Almost surely, 2^99938953 is an apocalyptic number.

It is an amenable number.

99938953 is a deficient number, since it is larger than the sum of its proper divisors (1).

99938953 is an equidigital number, since it uses as much as digits as its factorization.

99938953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2361960, while the sum is 55.

The square root of 99938953 is about 9996.9471840157. The cubic root of 99938953 is about 464.0644124436.

The spelling of 99938953 in words is "ninety-nine million, nine hundred thirty-eight thousand, nine hundred fifty-three".