9897206 has 16 divisors (see below), whose sum is σ = 16251840. Its totient is φ = 4483080.

The previous prime is 9897203. The next prime is 9897211. The reversal of 9897206 is 6027989.

9897206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7745 + ... + 8931.

It is an arithmetic number, because the mean of its divisors is an integer number (1015740).

Almost surely, 2^9897206 is an apocalyptic number.

9897206 is a deficient number, since it is larger than the sum of its proper divisors (6354634).

9897206 is a wasteful number, since it uses less digits than its factorization.

9897206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 9897206 is about 3145.9825174339. The cubic root of 9897206 is about 214.7027151417.

The spelling of 9897206 in words is "nine million, eight hundred ninety-seven thousand, two hundred six".