3890530817 has 2 divisors, whose sum is σ = 3890530818. Its totient is φ = 3890530816.

The previous prime is 3890530789. The next prime is 3890530837. The reversal of 3890530817 is 7180350983.

It is a happy number.

3890530817 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., 3663154576 + 227376241 = 60524^2 + 15079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3890530817 is a prime.

It is not a weakly prime, because it can be changed into another prime (3890530837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1945265408 + 1945265409.

It is an arithmetic number, because the mean of its divisors is an integer number (1945265409).

Almost surely, 2^3890530817 is an apocalyptic number.

It is an amenable number.

3890530817 is a deficient number, since it is larger than the sum of its proper divisors (1).

3890530817 is an equidigital number, since it uses as much as digits as its factorization.

3890530817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 3890530817 is about 62374.1197693402. The cubic root of 3890530817 is about 1572.7859465186.

The spelling of 3890530817 in words is "three billion, eight hundred ninety million, five hundred thirty thousand, eight hundred seventeen".