686839010 has 64 divisors (see below), whose sum is σ = 1457011584. Its totient is φ = 229824000.

The previous prime is 686839009. The next prime is 686839039. The reversal of 686839010 is 10938686.

It is a happy number.

It is a super-3 number, since 3×686839010³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652985 + ... + 654035.

It is an arithmetic number, because the mean of its divisors is an integer number (22765806).

Almost surely, 2^686839010 is an apocalyptic number.

686839010 is an abundant number, since it is smaller than the sum of its proper divisors (770172574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

686839010 is a wasteful number, since it uses less digits than its factorization.

686839010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 686839010 is about 26207.6135884212. The cubic root of 686839010 is about 882.3041416262.

The spelling of 686839010 in words is "six hundred eighty-six million, eight hundred thirty-nine thousand, ten".