980987 has 8 divisors (see below), whose sum is σ = 1127136. Its totient is φ = 836352.

The previous prime is 980963. The next prime is 980999. The reversal of 980987 is 789089.

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 980987 - 2⁸ = 980731 is a prime.

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 980987.

It is not an unprimeable number, because it can be changed into a prime (980957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2273 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (140892).

2⁹⁸⁰⁹⁸⁷ is an apocalyptic number.

980987 is a deficient number, since it is larger than the sum of its proper divisors (146149).

980987 is a wasteful number, since it uses less digits than its factorization.

980987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 980987 is about 990.4478784873. The cubic root of 980987 is about 99.3621737596.

It can be divided in two parts, 98098 and 7, that multiplied together give a palindrome (686686).

The spelling of 980987 in words is "nine hundred eighty thousand, nine hundred eighty-seven".