9867397 has 8 divisors (see below), whose sum is σ = 10046592. Its totient is φ = 9690000.

The previous prime is 9867371. The next prime is 9867427. The reversal of 9867397 is 7937689.

9867397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9867397 - 2¹⁹ = 9343109 is a prime.

It is a Duffinian number.

9867397 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9867397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9867307) 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, 14928 + ... + 15574.

It is an arithmetic number, because the mean of its divisors is an integer number (1255824).

Almost surely, 2^9867397 is an apocalyptic number.

It is an amenable number.

9867397 is a deficient number, since it is larger than the sum of its proper divisors (179195).

9867397 is a wasteful number, since it uses less digits than its factorization.

9867397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899.

The product of its digits is 571536, while the sum is 49.

The square root of 9867397 is about 3141.2413151492. The cubic root of 9867397 is about 214.4869468605.

The spelling of 9867397 in words is "nine million, eight hundred sixty-seven thousand, three hundred ninety-seven".