9862997 has 4 divisors (see below), whose sum is σ = 10072896. Its totient is φ = 9653100.

The previous prime is 9862981. The next prime is 9862999. The reversal of 9862997 is 7992689.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9862997 - 2⁴ = 9862981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9862999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104879 + ... + 104972.

It is an arithmetic number, because the mean of its divisors is an integer number (2518224).

Almost surely, 2^9862997 is an apocalyptic number.

It is an amenable number.

9862997 is a deficient number, since it is larger than the sum of its proper divisors (209899).

9862997 is a wasteful number, since it uses less digits than its factorization.

9862997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209898.

The product of its digits is 489888, while the sum is 50.

The square root of 9862997 is about 3140.5408769828. The cubic root of 9862997 is about 214.4550612856.

The spelling of 9862997 in words is "nine million, eight hundred sixty-two thousand, nine hundred ninety-seven".