9872371 has 2 divisors, whose sum is σ = 9872372. Its totient is φ = 9872370.

The previous prime is 9872347. The next prime is 9872399. The reversal of 9872371 is 1732789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9872371 - 2⁵ = 9872339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9872371.

It is not a weakly prime, because it can be changed into another prime (9872311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4936185 + 4936186.

It is an arithmetic number, because the mean of its divisors is an integer number (4936186).

Almost surely, 2^9872371 is an apocalyptic number.

9872371 is a deficient number, since it is larger than the sum of its proper divisors (1).

9872371 is an equidigital number, since it uses as much as digits as its factorization.

9872371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 37.

The square root of 9872371 is about 3142.0329406294. The cubic root of 9872371 is about 214.5229806413.

The spelling of 9872371 in words is "nine million, eight hundred seventy-two thousand, three hundred seventy-one".