896947609 has 2 divisors, whose sum is σ = 896947610. Its totient is φ = 896947608.

The previous prime is 896947553. The next prime is 896947613. The reversal of 896947609 is 906749698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 832899600 + 64048009 = 28860^2 + 8003^2 .

It is a cyclic number.

It is not a de Polignac number, because 896947609 - 2¹⁵ = 896914841 is a prime.

It is not a weakly prime, because it can be changed into another prime (896947669) 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, 448473804 + 448473805.

It is an arithmetic number, because the mean of its divisors is an integer number (448473805).

Almost surely, 2^896947609 is an apocalyptic number.

It is an amenable number.

896947609 is a deficient number, since it is larger than the sum of its proper divisors (1).

896947609 is an equidigital number, since it uses as much as digits as its factorization.

896947609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The square root of 896947609 is about 29949.0836086849. The cubic root of 896947609 is about 964.3966479071.

Subtracting 896947609 from its reverse (906749698), we obtain a palindrome (9802089).

The spelling of 896947609 in words is "eight hundred ninety-six million, nine hundred forty-seven thousand, six hundred nine".