686450350 has 12 divisors (see below), whose sum is σ = 1276797744. Its totient is φ = 274580120.

The previous prime is 686450339. The next prime is 686450353. The reversal of 686450350 is 53054686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686450353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6864454 + ... + 6864553.

It is an arithmetic number, because the mean of its divisors is an integer number (106399812).

Almost surely, 2^686450350 is an apocalyptic number.

686450350 is a deficient number, since it is larger than the sum of its proper divisors (590347394).

686450350 is a wasteful number, since it uses less digits than its factorization.

686450350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13729019 (or 13729014 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 686450350 is about 26200.1975183394. The cubic root of 686450350 is about 882.1376877582.

The spelling of 686450350 in words is "six hundred eighty-six million, four hundred fifty thousand, three hundred fifty".