8402271 has 16 divisors (see below), whose sum is σ = 11655168. Its totient is φ = 5378400.

The previous prime is 8402221. The next prime is 8402279. The reversal of 8402271 is 1722048.

It is not a de Polignac number, because 8402271 - 2⁹ = 8401759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8402279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15261 + ... + 15801.

It is an arithmetic number, because the mean of its divisors is an integer number (728448).

Almost surely, 2^8402271 is an apocalyptic number.

8402271 is a deficient number, since it is larger than the sum of its proper divisors (3252897).

8402271 is a wasteful number, since it uses less digits than its factorization.

8402271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 8402271 is about 2898.6671074823. The cubic root of 8402271 is about 203.2975890466.

The spelling of 8402271 in words is "eight million, four hundred two thousand, two hundred seventy-one".