9897306 has 16 divisors (see below), whose sum is σ = 19828800. Its totient is φ = 3293408.

The previous prime is 9897287. The next prime is 9897313. The reversal of 9897306 is 6037989.

It is a happy number.

It is an Ulam number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3835 + ... + 5873.

It is an arithmetic number, because the mean of its divisors is an integer number (1239300).

Almost surely, 2^9897306 is an apocalyptic number.

9897306 is an abundant number, since it is smaller than the sum of its proper divisors (9931494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9897306 is a wasteful number, since it uses less digits than its factorization.

9897306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 9897306 is about 3145.9984106798. The cubic root of 9897306 is about 214.7034382481.

The spelling of 9897306 in words is "nine million, eight hundred ninety-seven thousand, three hundred six".