486671481 has 12 divisors (see below), whose sum is σ = 714494820. Its totient is φ = 319128480.

The previous prime is 486671477. The next prime is 486671483. The reversal of 486671481 is 184176684.

486671481 is a `hidden beast` number, since 48 + 66 + 71 + 481 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 168584256 + 318087225 = 12984^2 + 17835^2 .

It is not a de Polignac number, because 486671481 - 2² = 486671477 is a prime.

It is a super-2 number, since 2×486671481² = 473698260837466722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (486671483) 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, 442686 + ... + 443783.

It is an arithmetic number, because the mean of its divisors is an integer number (59541235).

Almost surely, 2^486671481 is an apocalyptic number.

It is an amenable number.

486671481 is a deficient number, since it is larger than the sum of its proper divisors (227823339).

486671481 is a wasteful number, since it uses less digits than its factorization.

486671481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886536 (or 886533 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 486671481 is about 22060.6319265791. The cubic root of 486671481 is about 786.5843458777.

The spelling of 486671481 in words is "four hundred eighty-six million, six hundred seventy-one thousand, four hundred eighty-one".