686389114 has 16 divisors (see below), whose sum is σ = 1049863680. Its totient is φ = 336445200.

The previous prime is 686389111. The next prime is 686389157. The reversal of 686389114 is 411983686.

It is a super-2 number, since 2×686389114² = 942260031635409992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (686389111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205147 + ... + 208465.

It is an arithmetic number, because the mean of its divisors is an integer number (65616480).

Almost surely, 2^686389114 is an apocalyptic number.

686389114 is a deficient number, since it is larger than the sum of its proper divisors (363474566).

686389114 is a wasteful number, since it uses less digits than its factorization.

686389114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325.

The product of its digits is 248832, while the sum is 46.

The square root of 686389114 is about 26199.0288751320. The cubic root of 686389114 is about 882.1114561014. Note that the first 3 decimals are identical.

The spelling of 686389114 in words is "six hundred eighty-six million, three hundred eighty-nine thousand, one hundred fourteen".