486981 has 12 divisors (see below), whose sum is σ = 767520. Its totient is φ = 295080.

The previous prime is 486977. The next prime is 486991. The reversal of 486981 is 189684.

It is a happy number.

It is not a de Polignac number, because 486981 - 2² = 486977 is a prime.

It is a super-2 number, since 2×486981² = 474300988722, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 486981.

It is not an unprimeable number, because it can be changed into a prime (486971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2361 + ... + 2558.

It is an arithmetic number, because the mean of its divisors is an integer number (63960).

2⁴⁸⁶⁹⁸¹ is an apocalyptic number.

It is an amenable number.

486981 is a deficient number, since it is larger than the sum of its proper divisors (280539).

486981 is a wasteful number, since it uses less digits than its factorization.

486981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936 (or 4933 counting only the distinct ones).

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

The square root of 486981 is about 697.8402395964. The cubic root of 486981 is about 78.6751064232.

It can be divided in two parts, 4869 and 81, that added together give a triangular number (4950 = T₉₉).

The spelling of 486981 in words is "four hundred eighty-six thousand, nine hundred eighty-one".