99999941 has 2 divisors, whose sum is σ = 99999942.
Its totient is φ = 99999940.
The previous prime is 99999931. The next prime is 99999959. The reversal of 99999941 is 14999999.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 53963716 + 46036225 = 7346^2 + 6785^2
It is a cyclic number.
It is not a de Polignac number, because 99999941 - 222 = 95805637 is a prime.
It is a nialpdrome in base 10.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (99999931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49999970 + 49999971.
It is an arithmetic number, because the mean of its divisors is an integer number (49999971).
Almost surely, 299999941 is an apocalyptic number.
It is an amenable number.
99999941 is a deficient number, since it is larger than the sum of its proper divisors (1).
99999941 is an equidigital number, since it uses as much as digits as its factorization.
99999941 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2125764, while the sum is 59.
The square root of 99999941 is about 9999.9970499996.
The cubic root of 99999941 is about 464.1587920767.
The spelling of 99999941 in words is "ninety-nine million, nine hundred ninety-nine thousand, nine hundred forty-one".