983911 has 2 divisors, whose sum is σ = 983912. Its totient is φ = 983910.

The previous prime is 983881. The next prime is 983923. The reversal of 983911 is 119389.

It is a strong prime.

It is an emirp because it is prime and its reverse (119389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 983911 - 2⁷ = 983783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491955 + 491956.

It is an arithmetic number, because the mean of its divisors is an integer number (491956).

2⁹⁸³⁹¹¹ is an apocalyptic number.

983911 is a deficient number, since it is larger than the sum of its proper divisors (1).

983911 is an equidigital number, since it uses as much as digits as its factorization.

983911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 31.

The square root of 983911 is about 991.9228800668. The cubic root of 983911 is about 99.4607978358.

The spelling of 983911 in words is "nine hundred eighty-three thousand, nine hundred eleven".