896872289 has 2 divisors, whose sum is σ = 896872290. Its totient is φ = 896872288.

The previous prime is 896872279. The next prime is 896872321. The reversal of 896872289 is 982278698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 890007889 + 6864400 = 29833^2 + 2620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-896872289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (896872279) 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, 448436144 + 448436145.

It is an arithmetic number, because the mean of its divisors is an integer number (448436145).

Almost surely, 2^896872289 is an apocalyptic number.

It is an amenable number.

896872289 is a deficient number, since it is larger than the sum of its proper divisors (1).

896872289 is an equidigital number, since it uses as much as digits as its factorization.

896872289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 59.

The square root of 896872289 is about 29947.8261147617. The cubic root of 896872289 is about 964.3696525033.

The spelling of 896872289 in words is "eight hundred ninety-six million, eight hundred seventy-two thousand, two hundred eighty-nine".