980560 has 80 divisors (see below), whose sum is σ = 2785536. Its totient is φ = 313344.

The previous prime is 980557. The next prime is 980579. The reversal of 980560 is 65089.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×980560² = 1922995827200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a zygodrome in base 6.

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 15 ways as a sum of consecutive naturals, for example, 9469 + ... + 9571.

2⁹⁸⁰⁵⁶⁰ 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 980560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392768).

980560 is an abundant number, since it is smaller than the sum of its proper divisors (1804976).

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

980560 is a wasteful number, since it uses less digits than its factorization.

980560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 980560 is about 990.2322959791. The cubic root of 980560 is about 99.3477550141.

It can be divided in two parts, 980 and 560, that added together give a triangular number (1540 = T₅₅).

The spelling of 980560 in words is "nine hundred eighty thousand, five hundred sixty".