99985441 has 2 divisors, whose sum is σ = 99985442. Its totient is φ = 99985440.

The previous prime is 99985427. The next prime is 99985463. The reversal of 99985441 is 14458999.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86881041 + 13104400 = 9321^2 + 3620^2 .

It is an emirp because it is prime and its reverse (14458999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99985441 - 2⁵ = 99985409 is a prime.

It is a Chen prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (99985141) 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, 49992720 + 49992721.

It is an arithmetic number, because the mean of its divisors is an integer number (49992721).

Almost surely, 2^99985441 is an apocalyptic number.

It is an amenable number.

99985441 is a deficient number, since it is larger than the sum of its proper divisors (1).

99985441 is an equidigital number, since it uses as much as digits as its factorization.

99985441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The square root of 99985441 is about 9999.2720235025. The cubic root of 99985441 is about 464.1363566374.

The spelling of 99985441 in words is "ninety-nine million, nine hundred eighty-five thousand, four hundred forty-one".