9855463 has 2 divisors, whose sum is σ = 9855464. Its totient is φ = 9855462.

The previous prime is 9855451. The next prime is 9855467. The reversal of 9855463 is 3645589.

It is a strong prime.

It is an emirp because it is prime and its reverse (3645589) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9855463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9855467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4927731 + 4927732.

It is an arithmetic number, because the mean of its divisors is an integer number (4927732).

Almost surely, 2^9855463 is an apocalyptic number.

9855463 is a deficient number, since it is larger than the sum of its proper divisors (1).

9855463 is an equidigital number, since it uses as much as digits as its factorization.

9855463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The square root of 9855463 is about 3139.3411729215. The cubic root of 9855463 is about 214.4004424580.

The spelling of 9855463 in words is "nine million, eight hundred fifty-five thousand, four hundred sixty-three".