99974983 has 2 divisors, whose sum is σ = 99974984. Its totient is φ = 99974982.

The previous prime is 99974981. The next prime is 99974989. The reversal of 99974983 is 38947999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99974983 - 2¹ = 99974981 is a prime.

Together with 99974981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99974981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49987491 + 49987492.

It is an arithmetic number, because the mean of its divisors is an integer number (49987492).

Almost surely, 2^99974983 is an apocalyptic number.

99974983 is a deficient number, since it is larger than the sum of its proper divisors (1).

99974983 is an equidigital number, since it uses as much as digits as its factorization.

99974983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 58.

The square root of 99974983 is about 9998.7490717589. The cubic root of 99974983 is about 464.1201739238.

The spelling of 99974983 in words is "ninety-nine million, nine hundred seventy-four thousand, nine hundred eighty-three".