99537843 has 8 divisors (see below), whose sum is σ = 133563088. Its totient is φ = 65935584.

The previous prime is 99537817. The next prime is 99537847. The reversal of 99537843 is 34873599.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99537843 - 2¹² = 99533747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99537792 and 99537801.

It is not an unprimeable number, because it can be changed into a prime (99537847) 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, 105196 + ... + 106137.

It is an arithmetic number, because the mean of its divisors is an integer number (16695386).

Almost surely, 2^99537843 is an apocalyptic number.

99537843 is a deficient number, since it is larger than the sum of its proper divisors (34025245).

99537843 is a wasteful number, since it uses less digits than its factorization.

99537843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211493.

The product of its digits is 816480, while the sum is 48.

The square root of 99537843 is about 9976.8653894898. The cubic root of 99537843 is about 463.4427313866.

The spelling of 99537843 in words is "ninety-nine million, five hundred thirty-seven thousand, eight hundred forty-three".