980663 has 4 divisors (see below), whose sum is σ = 990288. Its totient is φ = 971040.

The previous prime is 980641. The next prime is 980677. The reversal of 980663 is 366089.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366089 = 41 ⋅8929.

It is a cyclic number.

It is not a de Polignac number, because 980663 - 2⁶ = 980599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4658 + ... + 4863.

It is an arithmetic number, because the mean of its divisors is an integer number (247572).

2⁹⁸⁰⁶⁶³ is an apocalyptic number.

980663 is a deficient number, since it is larger than the sum of its proper divisors (9625).

980663 is a wasteful number, since it uses less digits than its factorization.

980663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9624.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 980663 is about 990.2843026121. The cubic root of 980663 is about 99.3512334552.

The spelling of 980663 in words is "nine hundred eighty thousand, six hundred sixty-three".