896820289 has 2 divisors, whose sum is σ = 896820290. Its totient is φ = 896820288.

The previous prime is 896820271. The next prime is 896820293. The reversal of 896820289 is 982028698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 524639025 + 372181264 = 22905^2 + 19292^2 .

It is a cyclic number.

It is not a de Polignac number, because 896820289 - 2²⁵ = 863265857 is a prime.

It is not a weakly prime, because it can be changed into another prime (896820299) 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, 448410144 + 448410145.

It is an arithmetic number, because the mean of its divisors is an integer number (448410145).

Almost surely, 2^896820289 is an apocalyptic number.

It is an amenable number.

896820289 is a deficient number, since it is larger than the sum of its proper divisors (1).

896820289 is an equidigital number, since it uses as much as digits as its factorization.

896820289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 896820289 is about 29946.9579256391. The cubic root of 896820289 is about 964.3510143271.

The spelling of 896820289 in words is "eight hundred ninety-six million, eight hundred twenty thousand, two hundred eighty-nine".