981716 has 12 divisors (see below), whose sum is σ = 1819188. Its totient is φ = 461952.

The previous prime is 981713. The next prime is 981731. The reversal of 981716 is 617189.

It can be written as a sum of positive squares in 2 ways, for example, as 633616 + 348100 = 796^2 + 590^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981713) 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, 7151 + ... + 7286.

It is an arithmetic number, because the mean of its divisors is an integer number (151599).

2⁹⁸¹⁷¹⁶ is an apocalyptic number.

It is an amenable number.

981716 is a deficient number, since it is larger than the sum of its proper divisors (837472).

981716 is a wasteful number, since it uses less digits than its factorization.

981716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14458 (or 14456 counting only the distinct ones).

The product of its digits is 3024, while the sum is 32.

The square root of 981716 is about 990.8158254691. The cubic root of 981716 is about 99.3867806400.

The spelling of 981716 in words is "nine hundred eighty-one thousand, seven hundred sixteen".