686714424 has 64 divisors (see below), whose sum is σ = 1875363840. Its totient is φ = 207816960.

The previous prime is 686714419. The next prime is 686714459. The reversal of 686714424 is 424417686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285772 + ... + 288164.

It is an arithmetic number, because the mean of its divisors is an integer number (29302560).

Almost surely, 2^686714424 is an apocalyptic number.

It is an amenable number.

686714424 is an abundant number, since it is smaller than the sum of its proper divisors (1188649416).

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

686714424 is a wasteful number, since it uses less digits than its factorization.

686714424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500 (or 3496 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 686714424 is about 26205.2365759212. The cubic root of 686714424 is about 882.2507912344.

The spelling of 686714424 in words is "six hundred eighty-six million, seven hundred fourteen thousand, four hundred twenty-four".