99285643 has 2 divisors, whose sum is σ = 99285644. Its totient is φ = 99285642.

The previous prime is 99285623. The next prime is 99285649. The reversal of 99285643 is 34658299.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99285643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99285593 and 99285602.

It is not a weakly prime, because it can be changed into another prime (99285649) 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, 49642821 + 49642822.

It is an arithmetic number, because the mean of its divisors is an integer number (49642822).

Almost surely, 2^99285643 is an apocalyptic number.

99285643 is a deficient number, since it is larger than the sum of its proper divisors (1).

99285643 is an equidigital number, since it uses as much as digits as its factorization.

99285643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The square root of 99285643 is about 9964.2181328993. The cubic root of 99285643 is about 463.0509905636.

The spelling of 99285643 in words is "ninety-nine million, two hundred eighty-five thousand, six hundred forty-three".