984681 has 12 divisors (see below), whose sum is σ = 1461252. Its totient is φ = 638496.

The previous prime is 984667. The next prime is 984689. The reversal of 984681 is 186489.

It is a happy number.

984681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 549081 + 435600 = 741^2 + 660^2 .

It is not a de Polignac number, because 984681 - 2⁶ = 984617 is a prime.

It is a super-2 number, since 2×984681² = 1939193343522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (121771).

2⁹⁸⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

984681 is a deficient number, since it is larger than the sum of its proper divisors (476571).

984681 is a wasteful number, since it uses less digits than its factorization.

984681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000 (or 2997 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 984681 is about 992.3109391718. The cubic root of 984681 is about 99.4867367825.

It can be divided in two parts, 9 and 84681, that multiplied together give a square (762129 = 873²).

The spelling of 984681 in words is "nine hundred eighty-four thousand, six hundred eighty-one".