686808352 has 24 divisors (see below), whose sum is σ = 1423321200. Its totient is φ = 325329984.

The previous prime is 686808349. The next prime is 686808361. The reversal of 686808352 is 253808686.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564202 + ... + 565417.

It is an arithmetic number, because the mean of its divisors is an integer number (59305050).

Almost surely, 2^686808352 is an apocalyptic number.

It is an amenable number.

686808352 is an abundant number, since it is smaller than the sum of its proper divisors (736512848).

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

686808352 is a wasteful number, since it uses less digits than its factorization.

686808352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129648 (or 1129640 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 686808352 is about 26207.0286755290. The cubic root of 686808352 is about 882.2910138129.

The spelling of 686808352 in words is "six hundred eighty-six million, eight hundred eight thousand, three hundred fifty-two".