999962983 has 2 divisors, whose sum is σ = 999962984. Its totient is φ = 999962982.

The previous prime is 999962969. The next prime is 999963047. The reversal of 999962983 is 389269999.

It is an a-pointer prime, because the next prime (999963047) can be obtained adding 999962983 to its sum of digits (64).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999962983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999962903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499981491 + 499981492.

It is an arithmetic number, because the mean of its divisors is an integer number (499981492).

Almost surely, 2^999962983 is an apocalyptic number.

999962983 is a deficient number, since it is larger than the sum of its proper divisors (1).

999962983 is an equidigital number, since it uses as much as digits as its factorization.

999962983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17006112, while the sum is 64.

The square root of 999962983 is about 31622.1913061065. The cubic root of 999962983 is about 999.9876608477.

The spelling of 999962983 in words is "nine hundred ninety-nine million, nine hundred sixty-two thousand, nine hundred eighty-three".