9400871 has 2 divisors, whose sum is σ = 9400872. Its totient is φ = 9400870.

The previous prime is 9400861. The next prime is 9400873. The reversal of 9400871 is 1780049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9400871 - 2²² = 5206567 is a prime.

Together with 9400873, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₆₂₇₄₅₅ and since 9400871 and 627455 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9400873) 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 as a sum of consecutive naturals, namely, 4700435 + 4700436.

It is an arithmetic number, because the mean of its divisors is an integer number (4700436).

Almost surely, 2^9400871 is an apocalyptic number.

9400871 is a deficient number, since it is larger than the sum of its proper divisors (1).

9400871 is an equidigital number, since it uses as much as digits as its factorization.

9400871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 9400871 is about 3066.0839844988. The cubic root of 9400871 is about 211.0519477076.

The spelling of 9400871 in words is "nine million, four hundred thousand, eight hundred seventy-one".