99939041 has 2 divisors, whose sum is σ = 99939042. Its totient is φ = 99939040.

The previous prime is 99939023. The next prime is 99939053. The reversal of 99939041 is 14093999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85951441 + 13987600 = 9271^2 + 3740^2 .

It is an emirp because it is prime and its reverse (14093999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99939041 - 2⁶ = 99938977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99938983 and 99939001.

It is not a weakly prime, because it can be changed into another prime (99939001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49969520 + 49969521.

It is an arithmetic number, because the mean of its divisors is an integer number (49969521).

Almost surely, 2^99939041 is an apocalyptic number.

It is an amenable number.

99939041 is a deficient number, since it is larger than the sum of its proper divisors (1).

99939041 is an equidigital number, since it uses as much as digits as its factorization.

99939041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 99939041 is about 9996.9515853584. The cubic root of 99939041 is about 464.0645486523.

The spelling of 99939041 in words is "ninety-nine million, nine hundred thirty-nine thousand, forty-one".