99433 has 4 divisors (see below), whose sum is σ = 105300. Its totient is φ = 93568.

The previous prime is 99431. The next prime is 99439. The reversal of 99433 is 33499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33499 = 139 ⋅241.

It can be written as a sum of positive squares in 2 ways, for example, as 56169 + 43264 = 237^2 + 208^2 .

It is not a de Polignac number, because 99433 - 2¹ = 99431 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (26325).

2⁹⁹⁴³³ is an apocalyptic number.

It is an amenable number.

99433 is a deficient number, since it is larger than the sum of its proper divisors (5867).

99433 is a wasteful number, since it uses less digits than its factorization.

99433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5866.

The product of its digits is 2916, while the sum is 28.

The square root of 99433 is about 315.3299858878. The cubic root of 99433 is about 46.3279959807.

The spelling of 99433 in words is "ninety-nine thousand, four hundred thirty-three".