9897286 has 16 divisors (see below), whose sum is σ = 17127936. Its totient is φ = 4201416.

The previous prime is 9897263. The next prime is 9897287. The reversal of 9897286 is 6827989.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897287) 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, 1806 + ... + 4801.

It is an arithmetic number, because the mean of its divisors is an integer number (1070496).

Almost surely, 2^9897286 is an apocalyptic number.

9897286 is a deficient number, since it is larger than the sum of its proper divisors (7230650).

9897286 is a wasteful number, since it uses less digits than its factorization.

9897286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723.

The product of its digits is 435456, while the sum is 49.

The square root of 9897286 is about 3145.9952320371. The cubic root of 9897286 is about 214.7032936272.

The spelling of 9897286 in words is "nine million, eight hundred ninety-seven thousand, two hundred eighty-six".