996544441 has 2 divisors, whose sum is σ = 996544442. Its totient is φ = 996544440.

The previous prime is 996544363. The next prime is 996544447. The reversal of 996544441 is 144445699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 830650041 + 165894400 = 28821^2 + 12880^2 .

It is an emirp because it is prime and its reverse (144445699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 996544441 - 2¹⁵ = 996511673 is a prime.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 996544391 and 996544400.

It is not a weakly prime, because it can be changed into another prime (996544447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498272220 + 498272221.

It is an arithmetic number, because the mean of its divisors is an integer number (498272221).

Almost surely, 2^996544441 is an apocalyptic number.

It is an amenable number.

996544441 is a deficient number, since it is larger than the sum of its proper divisors (1).

996544441 is an equidigital number, since it uses as much as digits as its factorization.

996544441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 996544441 is about 31568.0921343055. The cubic root of 996544441 is about 998.8468176817.

The spelling of 996544441 in words is "nine hundred ninety-six million, five hundred forty-four thousand, four hundred forty-one".