99330817 has 4 divisors (see below), whose sum is σ = 101640880. Its totient is φ = 97020756.

The previous prime is 99330799. The next prime is 99330821. The reversal of 99330817 is 71803399.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71803399 = 4253 ⋅16883.

It is a cyclic number.

It is not a de Polignac number, because 99330817 - 2¹¹ = 99328769 is a prime.

It is a super-2 number, since 2×99330817² = 19733222411774978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99330817.

It is not an unprimeable number, because it can be changed into a prime (99330827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154967 + ... + 1155052.

It is an arithmetic number, because the mean of its divisors is an integer number (25410220).

Almost surely, 2^99330817 is an apocalyptic number.

It is an amenable number.

99330817 is a deficient number, since it is larger than the sum of its proper divisors (2310063).

99330817 is a wasteful number, since it uses less digits than its factorization.

99330817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310062.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 99330817 is about 9966.4846861870. The cubic root of 99330817 is about 463.1212078114.

The spelling of 99330817 in words is "ninety-nine million, three hundred thirty thousand, eight hundred seventeen".