896912109 has 20 divisors (see below), whose sum is σ = 1346797276. Its totient is φ = 594832896.

The previous prime is 896912101. The next prime is 896912113. The reversal of 896912109 is 901219698.

It can be written as a sum of positive squares in 2 ways, for example, as 576144009 + 320768100 = 24003^2 + 17910^2 .

It is not a de Polignac number, because 896912109 - 2³ = 896912101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (896912101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13054 + ... + 44319.

Almost surely, 2^896912109 is an apocalyptic number.

It is an amenable number.

896912109 is a deficient number, since it is larger than the sum of its proper divisors (449885167).

896912109 is a wasteful number, since it uses less digits than its factorization.

896912109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57578 (or 57569 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 896912109 is about 29948.4909302622. The cubic root of 896912109 is about 964.3839245580.

The spelling of 896912109 in words is "eight hundred ninety-six million, nine hundred twelve thousand, one hundred nine".