683904841 has 2 divisors, whose sum is σ = 683904842. Its totient is φ = 683904840.

The previous prime is 683904833. The next prime is 683904847. The reversal of 683904841 is 148409386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424566025 + 259338816 = 20605^2 + 16104^2 .

It is a cyclic number.

It is not a de Polignac number, because 683904841 - 2³ = 683904833 is a prime.

It is not a weakly prime, because it can be changed into another prime (683904847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341952420 + 341952421.

It is an arithmetic number, because the mean of its divisors is an integer number (341952421).

Almost surely, 2^683904841 is an apocalyptic number.

It is an amenable number.

683904841 is a deficient number, since it is larger than the sum of its proper divisors (1).

683904841 is an equidigital number, since it uses as much as digits as its factorization.

683904841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 683904841 is about 26151.5743503140. The cubic root of 683904841 is about 881.0459502687.

The spelling of 683904841 in words is "six hundred eighty-three million, nine hundred four thousand, eight hundred forty-one".