99436903 has 2 divisors, whose sum is σ = 99436904. Its totient is φ = 99436902.

The previous prime is 99436901. The next prime is 99436907. The reversal of 99436903 is 30963499.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99436903 - 2¹ = 99436901 is a prime.

Together with 99436901, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 99436903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99436901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49718451 + 49718452.

It is an arithmetic number, because the mean of its divisors is an integer number (49718452).

Almost surely, 2^99436903 is an apocalyptic number.

99436903 is a deficient number, since it is larger than the sum of its proper divisors (1).

99436903 is an equidigital number, since it uses as much as digits as its factorization.

99436903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 99436903 is about 9971.8054032357. The cubic root of 99436903 is about 463.2860213697.

The spelling of 99436903 in words is "ninety-nine million, four hundred thirty-six thousand, nine hundred three".