99943433 has 2 divisors, whose sum is σ = 99943434. Its totient is φ = 99943432.

The previous prime is 99943409. The next prime is 99943447. The reversal of 99943433 is 33434999.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93857344 + 6086089 = 9688^2 + 2467^2 .

It is a cyclic number.

It is not a de Polignac number, because 99943433 - 2⁶ = 99943369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99943033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49971716 + 49971717.

It is an arithmetic number, because the mean of its divisors is an integer number (49971717).

Almost surely, 2^99943433 is an apocalyptic number.

It is an amenable number.

99943433 is a deficient number, since it is larger than the sum of its proper divisors (1).

99943433 is an equidigital number, since it uses as much as digits as its factorization.

99943433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 44.

The square root of 99943433 is about 9997.1712499086. The cubic root of 99943433 is about 464.0713466017.

The spelling of 99943433 in words is "ninety-nine million, nine hundred forty-three thousand, four hundred thirty-three".