99863441 has 2 divisors, whose sum is σ = 99863442. Its totient is φ = 99863440.

The previous prime is 99863419. The next prime is 99863471. The reversal of 99863441 is 14436899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99700225 + 163216 = 9985^2 + 404^2 .

It is an emirp because it is prime and its reverse (14436899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99863441 - 2⁶ = 99863377 is a prime.

It is a Chen prime.

It is equal to p_5753996 and since 99863441 and 5753996 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 99863392 and 99863401.

It is not a weakly prime, because it can be changed into another prime (99863471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49931720 + 49931721.

It is an arithmetic number, because the mean of its divisors is an integer number (49931721).

Almost surely, 2^99863441 is an apocalyptic number.

It is an amenable number.

99863441 is a deficient number, since it is larger than the sum of its proper divisors (1).

99863441 is an equidigital number, since it uses as much as digits as its factorization.

99863441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 99863441 is about 9993.1697173620. The cubic root of 99863441 is about 463.9475035362.

The spelling of 99863441 in words is "ninety-nine million, eight hundred sixty-three thousand, four hundred forty-one".