983869 has 6 divisors (see below), whose sum is σ = 1007934. Its totient is φ = 960120.

The previous prime is 983863. The next prime is 983881. The reversal of 983869 is 968389.

It can be written as a sum of positive squares in only one way, i.e., 580644 + 403225 = 762^2 + 635^2 .

It is not a de Polignac number, because 983869 - 2³ = 983861 is a prime.

It is a super-2 number, since 2×983869² = 1935996418322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983861) 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 in 5 ways as a sum of consecutive naturals, for example, 7684 + ... + 7810.

It is an arithmetic number, because the mean of its divisors is an integer number (167989).

2⁹⁸³⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

983869 is a deficient number, since it is larger than the sum of its proper divisors (24065).

983869 is an equidigital number, since it uses as much as digits as its factorization.

983869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 188 counting only the distinct ones).

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

The square root of 983869 is about 991.9017088401. The cubic root of 983869 is about 99.4593825950.

The spelling of 983869 in words is "nine hundred eighty-three thousand, eight hundred sixty-nine".