486339681 has 4 divisors (see below), whose sum is σ = 648452912. Its totient is φ = 324226452.

The previous prime is 486339673. The next prime is 486339697. The reversal of 486339681 is 186933684.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 486339681 - 2³ = 486339673 is a prime.

It is a super-2 number, since 2×486339681² = 473052570630363522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 486339681.

It is not an unprimeable number, because it can be changed into a prime (486339611) 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 3 ways as a sum of consecutive naturals, for example, 81056611 + ... + 81056616.

It is an arithmetic number, because the mean of its divisors is an integer number (162113228).

Almost surely, 2^486339681 is an apocalyptic number.

It is an amenable number.

486339681 is a deficient number, since it is larger than the sum of its proper divisors (162113231).

486339681 is a wasteful number, since it uses less digits than its factorization.

486339681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162113230.

The product of its digits is 746496, while the sum is 48.

The square root of 486339681 is about 22053.1104608851. The cubic root of 486339681 is about 786.4055476326.

It can be divided in two parts, 4863 and 39681, that added together give a palindrome (44544).

The spelling of 486339681 in words is "four hundred eighty-six million, three hundred thirty-nine thousand, six hundred eighty-one".