99931433 has 6 divisors (see below), whose sum is σ = 116246826. Its totient is φ = 85655472.

The previous prime is 99931417. The next prime is 99931439. The reversal of 99931433 is 33413999.

It can be written as a sum of positive squares in only one way, i.e., 95491984 + 4439449 = 9772^2 + 2107^2 .

It is not a de Polignac number, because 99931433 - 2⁴ = 99931417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99931439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1019660 + ... + 1019757.

It is an arithmetic number, because the mean of its divisors is an integer number (19374471).

Almost surely, 2^99931433 is an apocalyptic number.

It is an amenable number.

99931433 is a deficient number, since it is larger than the sum of its proper divisors (16315393).

99931433 is a wasteful number, since it uses less digits than its factorization.

99931433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039431 (or 2039424 counting only the distinct ones).

The product of its digits is 78732, while the sum is 41.

The square root of 99931433 is about 9996.5710621193. The cubic root of 99931433 is about 464.0527724981.

The spelling of 99931433 in words is "ninety-nine million, nine hundred thirty-one thousand, four hundred thirty-three".