9871345 has 8 divisors (see below), whose sum is σ = 12922560. Its totient is φ = 7179120.

The previous prime is 9871331. The next prime is 9871357. The reversal of 9871345 is 5431789.

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

It is not a de Polignac number, because 9871345 - 2⁷ = 9871217 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89685 + ... + 89794.

It is an arithmetic number, because the mean of its divisors is an integer number (1615320).

Almost surely, 2^9871345 is an apocalyptic number.

It is an amenable number.

9871345 is a deficient number, since it is larger than the sum of its proper divisors (3051215).

9871345 is a wasteful number, since it uses less digits than its factorization.

9871345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179495.

The product of its digits is 30240, while the sum is 37.

The square root of 9871345 is about 3141.8696662974. The cubic root of 9871345 is about 214.5155488499.

It can be divided in two parts, 987 and 1345, that added together give a palindrome (2332).

The spelling of 9871345 in words is "nine million, eight hundred seventy-one thousand, three hundred forty-five".