99983929 has 2 divisors, whose sum is σ = 99983930. Its totient is φ = 99983928.

The previous prime is 99983867. The next prime is 99983957. The reversal of 99983929 is 92938999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62773929 + 37210000 = 7923^2 + 6100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99983929 is a prime.

It is not a weakly prime, because it can be changed into another prime (99983969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49991964 + 49991965.

It is an arithmetic number, because the mean of its divisors is an integer number (49991965).

Almost surely, 2^99983929 is an apocalyptic number.

It is an amenable number.

99983929 is a deficient number, since it is larger than the sum of its proper divisors (1).

99983929 is an equidigital number, since it uses as much as digits as its factorization.

99983929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2834352, while the sum is 58.

The square root of 99983929 is about 9999.1964177128. The cubic root of 99983929 is about 464.1340170378.

The spelling of 99983929 in words is "ninety-nine million, nine hundred eighty-three thousand, nine hundred twenty-nine".