9896605 has 4 divisors (see below), whose sum is σ = 11875932. Its totient is φ = 7917280.

The previous prime is 9896603. The next prime is 9896611. The reversal of 9896605 is 5066989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5066989 = 97 ⋅52237.

It can be written as a sum of positive squares in 2 ways, for example, as 7080921 + 2815684 = 2661^2 + 1678^2 .

It is not a de Polignac number, because 9896605 - 2¹ = 9896603 is a prime.

It is a super-3 number, since 3×9896605³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9896603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989656 + ... + 989665.

It is an arithmetic number, because the mean of its divisors is an integer number (2968983).

Almost surely, 2^9896605 is an apocalyptic number.

It is an amenable number.

9896605 is a deficient number, since it is larger than the sum of its proper divisors (1979327).

9896605 is a wasteful number, since it uses less digits than its factorization.

9896605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979326.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 9896605 is about 3145.8869973348. The cubic root of 9896605 is about 214.6983691696.

It can be divided in two parts, 9896 and 605, that added together give a palindrome (10501).

The spelling of 9896605 in words is "nine million, eight hundred ninety-six thousand, six hundred five".