9896945 has 16 divisors (see below), whose sum is σ = 12411408. Its totient is φ = 7568640.

The previous prime is 9896927. The next prime is 9896951. The reversal of 9896945 is 5496989.

9896945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 18496 + 9878449 = 136^2 + 3143^2 .

It is not a de Polignac number, because 9896945 - 2⁶ = 9896881 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9896893 and 9896902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10847 + ... + 11723.

It is an arithmetic number, because the mean of its divisors is an integer number (775713).

Almost surely, 2^9896945 is an apocalyptic number.

It is an amenable number.

9896945 is a deficient number, since it is larger than the sum of its proper divisors (2514463).

9896945 is a wasteful number, since it uses less digits than its factorization.

9896945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its digits is 699840, while the sum is 50.

The square root of 9896945 is about 3145.9410356839. The cubic root of 9896945 is about 214.7008278111.

The spelling of 9896945 in words is "nine million, eight hundred ninety-six thousand, nine hundred forty-five".