9867957 has 8 divisors (see below), whose sum is σ = 14353440. Its totient is φ = 5980560.

The previous prime is 9867931. The next prime is 9867959. The reversal of 9867957 is 7597689.

9867957 is digitally balanced in base 2, 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 not a de Polignac number, because 9867957 - 2²⁰ = 8819381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9867959) 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, 149482 + ... + 149547.

It is an arithmetic number, because the mean of its divisors is an integer number (1794180).

Almost surely, 2^9867957 is an apocalyptic number.

It is an amenable number.

9867957 is a deficient number, since it is larger than the sum of its proper divisors (4485483).

9867957 is a wasteful number, since it uses less digits than its factorization.

9867957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299043.

The product of its digits is 952560, while the sum is 51.

The square root of 9867957 is about 3141.3304506212. The cubic root of 9867957 is about 214.4910043445.

The spelling of 9867957 in words is "nine million, eight hundred sixty-seven thousand, nine hundred fifty-seven".