948386861 has 2 divisors, whose sum is σ = 948386862. Its totient is φ = 948386860.

The previous prime is 948386839. The next prime is 948386891. The reversal of 948386861 is 168683849.

948386861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 590004100 + 358382761 = 24290^2 + 18931^2 .

It is a cyclic number.

It is not a de Polignac number, because 948386861 - 2¹⁸ = 948124717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (948386891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474193430 + 474193431.

It is an arithmetic number, because the mean of its divisors is an integer number (474193431).

Almost surely, 2^948386861 is an apocalyptic number.

It is an amenable number.

948386861 is a deficient number, since it is larger than the sum of its proper divisors (1).

948386861 is an equidigital number, since it uses as much as digits as its factorization.

948386861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 53.

The square root of 948386861 is about 30795.8903264705. The cubic root of 948386861 is about 982.4908388754.

The spelling of 948386861 in words is "nine hundred forty-eight million, three hundred eighty-six thousand, eight hundred sixty-one".