980005 has 8 divisors (see below), whose sum is σ = 1266552. Its totient is φ = 723648.

The previous prime is 979987. The next prime is 980027. The reversal of 980005 is 500089.

It can be written as a sum of positive squares in 4 ways, for example, as 31329 + 948676 = 177^2 + 974^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 980005 - 2¹⁷ = 848933 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7474 + ... + 7603.

It is an arithmetic number, because the mean of its divisors is an integer number (158319).

2⁹⁸⁰⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

980005 is a deficient number, since it is larger than the sum of its proper divisors (286547).

980005 is a wasteful number, since it uses less digits than its factorization.

980005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15095.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 980005 is about 989.9520190393. The cubic root of 980005 is about 99.3290077642.

It can be divided in two parts, 98000 and 5, that multiplied together give a square (490000 = 700²).

The spelling of 980005 in words is "nine hundred eighty thousand, five".