99535943 has 4 divisors (see below), whose sum is σ = 107192568. Its totient is φ = 91879320.

The previous prime is 99535939. The next prime is 99535963. The reversal of 99535943 is 34953599.

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

It is not a de Polignac number, because 99535943 - 2² = 99535939 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 (99535903) 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, 3828293 + ... + 3828318.

It is an arithmetic number, because the mean of its divisors is an integer number (26798142).

Almost surely, 2^99535943 is an apocalyptic number.

99535943 is a deficient number, since it is larger than the sum of its proper divisors (7656625).

99535943 is a wasteful number, since it uses less digits than its factorization.

99535943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7656624.

The product of its digits is 656100, while the sum is 47.

The square root of 99535943 is about 9976.7701687470. The cubic root of 99535943 is about 463.4397826026.

The spelling of 99535943 in words is "ninety-nine million, five hundred thirty-five thousand, nine hundred forty-three".