686266411 has 16 divisors (see below), whose sum is σ = 727626240. Its totient is φ = 646189600.

The previous prime is 686266397. The next prime is 686266429. The reversal of 686266411 is 114662686.

It is a happy number.

686266411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 686266411 - 2¹⁵ = 686233643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (686266811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472236 + ... + 473686.

It is an arithmetic number, because the mean of its divisors is an integer number (45476640).

Almost surely, 2^686266411 is an apocalyptic number.

686266411 is a deficient number, since it is larger than the sum of its proper divisors (41359829).

686266411 is a wasteful number, since it uses less digits than its factorization.

686266411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874.

The product of its digits is 82944, while the sum is 40.

The square root of 686266411 is about 26196.6870233623. The cubic root of 686266411 is about 882.0588891390.

The spelling of 686266411 in words is "six hundred eighty-six million, two hundred sixty-six thousand, four hundred eleven".