983694641 has 2 divisors, whose sum is σ = 983694642. Its totient is φ = 983694640.

The previous prime is 983694571. The next prime is 983694643. The reversal of 983694641 is 146496389.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 981005041 + 2689600 = 31321^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 983694641 - 2¹⁰ = 983693617 is a prime.

Together with 983694643, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 983694641.

It is not a weakly prime, because it can be changed into another prime (983694643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491847320 + 491847321.

It is an arithmetic number, because the mean of its divisors is an integer number (491847321).

Almost surely, 2^983694641 is an apocalyptic number.

It is an amenable number.

983694641 is a deficient number, since it is larger than the sum of its proper divisors (1).

983694641 is an equidigital number, since it uses as much as digits as its factorization.

983694641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 50.

The square root of 983694641 is about 31363.9066603636. The cubic root of 983694641 is about 994.5350692697.

The spelling of 983694641 in words is "nine hundred eighty-three million, six hundred ninety-four thousand, six hundred forty-one".