980500 has 48 divisors (see below), whose sum is σ = 2240784. Its totient is φ = 374400.

The previous prime is 980491. The next prime is 980503. The reversal of 980500 is 5089.

It can be written as a sum of positive squares in 8 ways, for example, as 66564 + 913936 = 258^2 + 956^2 .

It is a super-2 number, since 2×980500² = 1922760500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980503) 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 15 ways as a sum of consecutive naturals, for example, 18474 + ... + 18526.

It is an arithmetic number, because the mean of its divisors is an integer number (46683).

2⁹⁸⁰⁵⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 980500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120392).

980500 is an abundant number, since it is smaller than the sum of its proper divisors (1260284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

980500 is a wasteful number, since it uses less digits than its factorization.

980500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 97 counting only the distinct ones).

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

The square root of 980500 is about 990.2019995940. The cubic root of 980500 is about 99.3457286255.

Adding to 980500 its reverse (5089), we get a palindrome (985589).

It can be divided in two parts, 980 and 500, that multiplied together give a square (490000 = 700²).

The spelling of 980500 in words is "nine hundred eighty thousand, five hundred".