896631089 has 4 divisors (see below), whose sum is σ = 898771440. Its totient is φ = 894490740.

The previous prime is 896631067. The next prime is 896631121. The reversal of 896631089 is 980136698.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-896631089 is a prime.

It is a super-2 number, since 2×896631089² = 1607894619522651842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (896631389) 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 in 3 ways as a sum of consecutive naturals, for example, 1069547 + ... + 1070384.

It is an arithmetic number, because the mean of its divisors is an integer number (224692860).

Almost surely, 2^896631089 is an apocalyptic number.

It is an amenable number.

896631089 is a deficient number, since it is larger than the sum of its proper divisors (2140351).

896631089 is a wasteful number, since it uses less digits than its factorization.

896631089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140350.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 896631089 is about 29943.7988404945. The cubic root of 896631089 is about 964.2831939598.

The spelling of 896631089 in words is "eight hundred ninety-six million, six hundred thirty-one thousand, eighty-nine".