686941466 has 16 divisors (see below), whose sum is σ = 1085218560. Its totient is φ = 325221120.

The previous prime is 686941459. The next prime is 686941481. The reversal of 686941466 is 664149686.

686941466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94970 + ... + 101946.

It is an arithmetic number, because the mean of its divisors is an integer number (67826160).

Almost surely, 2^686941466 is an apocalyptic number.

686941466 is a deficient number, since it is larger than the sum of its proper divisors (398277094).

686941466 is a wasteful number, since it uses less digits than its factorization.

686941466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9589.

The product of its digits is 1492992, while the sum is 50.

The square root of 686941466 is about 26209.5682146807. The cubic root of 686941466 is about 882.3480106442.

The spelling of 686941466 in words is "six hundred eighty-six million, nine hundred forty-one thousand, four hundred sixty-six".