999827441 has 2 divisors, whose sum is σ = 999827442. Its totient is φ = 999827440.

The previous prime is 999827383. The next prime is 999827447. The reversal of 999827441 is 144728999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 872611600 + 127215841 = 29540^2 + 11279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999827441 is a prime.

It is not a weakly prime, because it can be changed into another prime (999827447) 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, 499913720 + 499913721.

It is an arithmetic number, because the mean of its divisors is an integer number (499913721).

Almost surely, 2^999827441 is an apocalyptic number.

It is an amenable number.

999827441 is a deficient number, since it is larger than the sum of its proper divisors (1).

999827441 is an equidigital number, since it uses as much as digits as its factorization.

999827441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 53.

The square root of 999827441 is about 31620.0480866175. The cubic root of 999827441 is about 999.9424770245.

The spelling of 999827441 in words is "nine hundred ninety-nine million, eight hundred twenty-seven thousand, four hundred forty-one".