980555 has 4 divisors (see below), whose sum is σ = 1176672. Its totient is φ = 784440.

The previous prime is 980549. The next prime is 980557. The reversal of 980555 is 555089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555089 = 29 ⋅19141.

It is not a de Polignac number, because 980555 - 2⁶ = 980491 is a prime.

It is a super-2 number, since 2×980555² = 1922976216050, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980555.

It is not an unprimeable number, because it can be changed into a prime (980557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98051 + ... + 98060.

It is an arithmetic number, because the mean of its divisors is an integer number (294168).

2⁹⁸⁰⁵⁵⁵ is an apocalyptic number.

980555 is a deficient number, since it is larger than the sum of its proper divisors (196117).

980555 is a wasteful number, since it uses less digits than its factorization.

980555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196116.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 980555 is about 990.2297713157. The cubic root of 980555 is about 99.3475861516.

The spelling of 980555 in words is "nine hundred eighty thousand, five hundred fifty-five".