683969386 has 4 divisors (see below), whose sum is σ = 1025954082. Its totient is φ = 341984692.

The previous prime is 683969329. The next prime is 683969411.

683969386 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., 491287225 + 192682161 = 22165^2 + 13881^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 683969386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170992345 + ... + 170992348.

Almost surely, 2^683969386 is an apocalyptic number.

683969386 is a deficient number, since it is larger than the sum of its proper divisors (341984696).

683969386 is a wasteful number, since it uses less digits than its factorization.

683969386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341984695.

The product of its digits is 10077696, while the sum is 58.

The square root of 683969386 is about 26152.8083769220. The cubic root of 683969386 is about 881.0736662697.

The spelling of 683969386 in words is "six hundred eighty-three million, nine hundred sixty-nine thousand, three hundred eighty-six".