3840634937 has 2 divisors, whose sum is σ = 3840634938. Its totient is φ = 3840634936.

The previous prime is 3840634909. The next prime is 3840634949. The reversal of 3840634937 is 7394360483.

3840634937 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3156080041 + 684554896 = 56179^2 + 26164^2 .

It is a cyclic number.

It is not a de Polignac number, because 3840634937 - 2¹² = 3840630841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3840634891 and 3840634900.

It is not a weakly prime, because it can be changed into another prime (3840634907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920317468 + 1920317469.

It is an arithmetic number, because the mean of its divisors is an integer number (1920317469).

Almost surely, 2^3840634937 is an apocalyptic number.

It is an amenable number.

3840634937 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840634937 is an equidigital number, since it uses as much as digits as its factorization.

3840634937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The square root of 3840634937 is about 61972.8564534507. The cubic root of 3840634937 is about 1566.0333605414.

The spelling of 3840634937 in words is "three billion, eight hundred forty million, six hundred thirty-four thousand, nine hundred thirty-seven".