686484862 has 16 divisors (see below), whose sum is σ = 1177245792. Its totient is φ = 294104160.

The previous prime is 686484859. The next prime is 686484889. The reversal of 686484862 is 268484686.

It is a super-2 number, since 2×686484862² = 942522931510318088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43288 + ... + 56980.

It is an arithmetic number, because the mean of its divisors is an integer number (73577862).

Almost surely, 2^686484862 is an apocalyptic number.

686484862 is a deficient number, since it is larger than the sum of its proper divisors (490760930).

686484862 is a wasteful number, since it uses less digits than its factorization.

686484862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17283.

The product of its digits is 3538944, while the sum is 52.

The square root of 686484862 is about 26200.8561310504. The cubic root of 686484862 is about 882.1524709714.

The spelling of 686484862 in words is "six hundred eighty-six million, four hundred eighty-four thousand, eight hundred sixty-two".