683807961 has 8 divisors (see below), whose sum is σ = 928946880. Its totient is φ = 447270512.

The previous prime is 683807939. The next prime is 683808001. The reversal of 683807961 is 169708386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 683807961 - 2⁶ = 683807897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 683807961.

It is not an unprimeable number, because it can be changed into a prime (683806961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150181 + ... + 2150498.

It is an arithmetic number, because the mean of its divisors is an integer number (116118360).

Almost surely, 2^683807961 is an apocalyptic number.

It is an amenable number.

683807961 is a deficient number, since it is larger than the sum of its proper divisors (245138919).

683807961 is a wasteful number, since it uses less digits than its factorization.

683807961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300735.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 683807961 is about 26149.7220061705. The cubic root of 683807961 is about 881.0043461559.

The spelling of 683807961 in words is "six hundred eighty-three million, eight hundred seven thousand, nine hundred sixty-one".