929997983 has 2 divisors, whose sum is σ = 929997984. Its totient is φ = 929997982.

The previous prime is 929997979. The next prime is 929998007. The reversal of 929997983 is 389799929.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 929997983 - 2² = 929997979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (929990983) 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, 464998991 + 464998992.

It is an arithmetic number, because the mean of its divisors is an integer number (464998992).

Almost surely, 2^929997983 is an apocalyptic number.

929997983 is a deficient number, since it is larger than the sum of its proper divisors (1).

929997983 is an equidigital number, since it uses as much as digits as its factorization.

929997983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19840464, while the sum is 65.

The square root of 929997983 is about 30495.8682939181. The cubic root of 929997983 is about 976.0993020072.

The spelling of 929997983 in words is "nine hundred twenty-nine million, nine hundred ninety-seven thousand, nine hundred eighty-three".