99304243 has 8 divisors (see below), whose sum is σ = 101750000. Its totient is φ = 96917184.

The previous prime is 99304237. The next prime is 99304267. The reversal of 99304243 is 34240399.

It is not a de Polignac number, because 99304243 - 2⁵ = 99304211 is a prime.

It is a super-2 number, since 2×99304243² = 19722665355606098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99304199 and 99304208.

It is not an unprimeable number, because it can be changed into a prime (99304213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78883 + ... + 80131.

It is an arithmetic number, because the mean of its divisors is an integer number (12718750).

Almost surely, 2^99304243 is an apocalyptic number.

99304243 is a deficient number, since it is larger than the sum of its proper divisors (2445757).

99304243 is an frugal number, since it uses more digits than its factorization.

99304243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 99304243 is about 9965.1514288545. The cubic root of 99304243 is about 463.0799044811.

The spelling of 99304243 in words is "ninety-nine million, three hundred four thousand, two hundred forty-three".