683946765 has 12 divisors (see below), whose sum is σ = 1185507804. Its totient is φ = 364771584.

The previous prime is 683946761. The next prime is 683946827. The reversal of 683946765 is 567649386.

It can be written as a sum of positive squares in 2 ways, for example, as 103184964 + 580761801 = 10158^2 + 24099^2 .

It is not a de Polignac number, because 683946765 - 2² = 683946761 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683946761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7599364 + ... + 7599453.

It is an arithmetic number, because the mean of its divisors is an integer number (98792317).

Almost surely, 2^683946765 is an apocalyptic number.

It is an amenable number.

683946765 is a deficient number, since it is larger than the sum of its proper divisors (501561039).

683946765 is a wasteful number, since it uses less digits than its factorization.

683946765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15198828 (or 15198825 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 683946765 is about 26152.3758958914. The cubic root of 683946765 is about 881.0639528783.

The spelling of 683946765 in words is "six hundred eighty-three million, nine hundred forty-six thousand, seven hundred sixty-five".