9896549 has 16 divisors (see below), whose sum is σ = 11356800. Its totient is φ = 8548416.

The previous prime is 9896543. The next prime is 9896563. The reversal of 9896549 is 9456989.

It is a cyclic number.

It is not a de Polignac number, because 9896549 - 2¹⁶ = 9831013 is a prime.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9896497 and 9896506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9896543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25247 + ... + 25635.

It is an arithmetic number, because the mean of its divisors is an integer number (709800).

Almost surely, 2^9896549 is an apocalyptic number.

It is an amenable number.

9896549 is a deficient number, since it is larger than the sum of its proper divisors (1460251).

9896549 is a wasteful number, since it uses less digits than its factorization.

9896549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

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

The square root of 9896549 is about 3145.8780968118. The cubic root of 9896549 is about 214.6979642115.

The spelling of 9896549 in words is "nine million, eight hundred ninety-six thousand, five hundred forty-nine".