683909386 has 4 divisors (see below), whose sum is σ = 1025864082. Its totient is φ = 341954692.

The previous prime is 683909363. The next prime is 683909419.

683909386 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 674181225 + 9728161 = 25965^2 + 3119^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170977345 + ... + 170977348.

Almost surely, 2^683909386 is an apocalyptic number.

683909386 is a deficient number, since it is larger than the sum of its proper divisors (341954696).

683909386 is a wasteful number, since it uses less digits than its factorization.

683909386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341954695.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 683909386 is about 26151.6612474237. The cubic root of 683909386 is about 881.0479019753.

The spelling of 683909386 in words is "six hundred eighty-three million, nine hundred nine thousand, three hundred eighty-six".