99948943 has 2 divisors, whose sum is σ = 99948944. Its totient is φ = 99948942.

The previous prime is 99948941. The next prime is 99948971. The reversal of 99948943 is 34984999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99948943 - 2¹ = 99948941 is a prime.

Together with 99948941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99948941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49974471 + 49974472.

It is an arithmetic number, because the mean of its divisors is an integer number (49974472).

Almost surely, 2^99948943 is an apocalyptic number.

99948943 is a deficient number, since it is larger than the sum of its proper divisors (1).

99948943 is an equidigital number, since it uses as much as digits as its factorization.

99948943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 55.

The square root of 99948943 is about 9997.4468240646. The cubic root of 99948943 is about 464.0798747129.

The spelling of 99948943 in words is "ninety-nine million, nine hundred forty-eight thousand, nine hundred forty-three".