99040343 has 4 divisors (see below), whose sum is σ = 99949080. Its totient is φ = 98131608.

The previous prime is 99040313. The next prime is 99040363. The reversal of 99040343 is 34304099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34304099 = 3929 ⋅8731.

It is a cyclic number.

It is not a de Polignac number, because 99040343 - 2⁸ = 99040087 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 (99040303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454205 + ... + 454422.

It is an arithmetic number, because the mean of its divisors is an integer number (24987270).

Almost surely, 2^99040343 is an apocalyptic number.

99040343 is a deficient number, since it is larger than the sum of its proper divisors (908737).

99040343 is a wasteful number, since it uses less digits than its factorization.

99040343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908736.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 99040343 is about 9951.9014766023. The cubic root of 99040343 is about 462.6693305464.

The spelling of 99040343 in words is "ninety-nine million, forty thousand, three hundred forty-three".