983012839 has 2 divisors, whose sum is σ = 983012840. Its totient is φ = 983012838.

The previous prime is 983012813. The next prime is 983012851. The reversal of 983012839 is 938210389.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 983012839 - 2¹⁵ = 982980071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 983012795 and 983012804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983012339) 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, 491506419 + 491506420.

It is an arithmetic number, because the mean of its divisors is an integer number (491506420).

Almost surely, 2^983012839 is an apocalyptic number.

983012839 is a deficient number, since it is larger than the sum of its proper divisors (1).

983012839 is an equidigital number, since it uses as much as digits as its factorization.

983012839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 983012839 is about 31353.0355627649. The cubic root of 983012839 is about 994.3052443185.

The spelling of 983012839 in words is "nine hundred eighty-three million, twelve thousand, eight hundred thirty-nine".