8463871 has 4 divisors (see below), whose sum is σ = 9114952. Its totient is φ = 7812792.

The previous prime is 8463869. The next prime is 8463877. The reversal of 8463871 is 1783648.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8463871 - 2¹ = 8463869 is a prime.

It is a super-2 number, since 2×8463871² = 143274224609282, which contains 22 as substring.

It is a Duffinian number.

8463871 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8463871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8463877) 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 3 ways as a sum of consecutive naturals, for example, 325521 + ... + 325546.

It is an arithmetic number, because the mean of its divisors is an integer number (2278738).

Almost surely, 2^8463871 is an apocalyptic number.

8463871 is a deficient number, since it is larger than the sum of its proper divisors (651081).

8463871 is a wasteful number, since it uses less digits than its factorization.

8463871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651080.

The product of its digits is 32256, while the sum is 37.

The square root of 8463871 is about 2909.2732769542. The cubic root of 8463871 is about 203.7931952029.

The spelling of 8463871 in words is "eight million, four hundred sixty-three thousand, eight hundred seventy-one".