8609963 has 2 divisors, whose sum is σ = 8609964. Its totient is φ = 8609962.

The previous prime is 8609927. The next prime is 8609987. The reversal of 8609963 is 3699068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8609963 - 2⁶ = 8609899 is a prime.

It is a super-2 number, since 2×8609963² = 148262925722738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8609963.

It is not a weakly prime, because it can be changed into another prime (8609063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4304981 + 4304982.

It is an arithmetic number, because the mean of its divisors is an integer number (4304982).

Almost surely, 2^8609963 is an apocalyptic number.

8609963 is a deficient number, since it is larger than the sum of its proper divisors (1).

8609963 is an equidigital number, since it uses as much as digits as its factorization.

8609963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 8609963 is about 2934.2738454343. The cubic root of 8609963 is about 204.9590479371.

The spelling of 8609963 in words is "eight million, six hundred nine thousand, nine hundred sixty-three".