99199043 has 4 divisors (see below), whose sum is σ = 100558008. Its totient is φ = 97840080.

The previous prime is 99199033. The next prime is 99199073. The reversal of 99199043 is 34099199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99199043 - 2¹⁸ = 98936899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99198985 and 99199003.

It is not an unprimeable number, because it can be changed into a prime (99199003) 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 3 ways as a sum of consecutive naturals, for example, 679373 + ... + 679518.

It is an arithmetic number, because the mean of its divisors is an integer number (25139502).

Almost surely, 2^99199043 is an apocalyptic number.

99199043 is a deficient number, since it is larger than the sum of its proper divisors (1358965).

99199043 is a wasteful number, since it uses less digits than its factorization.

99199043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358964.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 99199043 is about 9959.8716357190. The cubic root of 99199043 is about 462.9163222836.

The spelling of 99199043 in words is "ninety-nine million, one hundred ninety-nine thousand, forty-three".