99355399 has 24 divisors (see below), whose sum is σ = 119182896. Its totient is φ = 82262400.

The previous prime is 99355379. The next prime is 99355411.

It is a happy number.

99355399 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99355399 - 2⁷ = 99355271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99355309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130179 + ... + 130939.

It is an arithmetic number, because the mean of its divisors is an integer number (4965954).

Almost surely, 2^99355399 is an apocalyptic number.

99355399 is a deficient number, since it is larger than the sum of its proper divisors (19827497).

99355399 is a wasteful number, since it uses less digits than its factorization.

99355399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 868 counting only the distinct ones).

The product of its digits is 1476225, while the sum is 52.

The square root of 99355399 is about 9967.7178431174. The cubic root of 99355399 is about 463.1594084654.

The spelling of 99355399 in words is "ninety-nine million, three hundred fifty-five thousand, three hundred ninety-nine".