683881386 has 16 divisors (see below), whose sum is σ = 1372599264. Its totient is φ = 227154384.

The previous prime is 683881357. The next prime is 683881409. The reversal of 683881386 is 683188386.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199681 + ... + 203076.

It is an arithmetic number, because the mean of its divisors is an integer number (85787454).

Almost surely, 2^683881386 is an apocalyptic number.

683881386 is an abundant number, since it is smaller than the sum of its proper divisors (688717878).

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

683881386 is a wasteful number, since it uses less digits than its factorization.

683881386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403045.

The product of its digits is 1327104, while the sum is 51.

The square root of 683881386 is about 26151.1259031041. The cubic root of 683881386 is about 881.0358781223.

The spelling of 683881386 in words is "six hundred eighty-three million, eight hundred eighty-one thousand, three hundred eighty-six".