9872361 has 12 divisors (see below), whose sum is σ = 14788592. Its totient is φ = 6581412.

The previous prime is 9872347. The next prime is 9872371. The reversal of 9872361 is 1632789.

It is not a de Polignac number, because 9872361 - 2⁵ = 9872329 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9872311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20071 + ... + 20556.

Almost surely, 2^9872361 is an apocalyptic number.

It is an amenable number.

9872361 is a deficient number, since it is larger than the sum of its proper divisors (4916231).

9872361 is an equidigital number, since it uses as much as digits as its factorization.

9872361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40642 (or 40630 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 9872361 is about 3142.0313493025. The cubic root of 9872361 is about 214.5229082091.

The spelling of 9872361 in words is "nine million, eight hundred seventy-two thousand, three hundred sixty-one".