983881 has 2 divisors, whose sum is σ = 983882. Its totient is φ = 983880.

The previous prime is 983863. The next prime is 983911. The reversal of 983881 is 188389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968256 + 15625 = 984^2 + 125^2 .

It is an emirp because it is prime and its reverse (188389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 983881 - 2⁵ = 983849 is a prime.

It is a super-2 number, since 2×983881² = 1936043644322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 983881.

It is not a weakly prime, because it can be changed into another prime (983861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491940 + 491941.

It is an arithmetic number, because the mean of its divisors is an integer number (491941).

2⁹⁸³⁸⁸¹ is an apocalyptic number.

It is an amenable number.

983881 is a deficient number, since it is larger than the sum of its proper divisors (1).

983881 is an equidigital number, since it uses as much as digits as its factorization.

983881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 37.

The square root of 983881 is about 991.9077578082. The cubic root of 983881 is about 99.4597869537.

It can be divided in two parts, 98388 and 1, that added together give a palindrome (98389).

The spelling of 983881 in words is "nine hundred eighty-three thousand, eight hundred eighty-one".