99930841 has 2 divisors, whose sum is σ = 99930842. Its totient is φ = 99930840.

The previous prime is 99930833. The next prime is 99930847. The reversal of 99930841 is 14803999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86211225 + 13719616 = 9285^2 + 3704^2 .

It is a cyclic number.

It is not a de Polignac number, because 99930841 - 2³ = 99930833 is a prime.

It is not a weakly prime, because it can be changed into another prime (99930847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49965420 + 49965421.

It is an arithmetic number, because the mean of its divisors is an integer number (49965421).

Almost surely, 2^99930841 is an apocalyptic number.

It is an amenable number.

99930841 is a deficient number, since it is larger than the sum of its proper divisors (1).

99930841 is an equidigital number, since it uses as much as digits as its factorization.

99930841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 99930841 is about 9996.5414519223. The cubic root of 99930841 is about 464.0518561371.

The spelling of 99930841 in words is "ninety-nine million, nine hundred thirty thousand, eight hundred forty-one".