2456871 has 8 divisors (see below), whose sum is σ = 3448320. Its totient is φ = 1551672.

The previous prime is 2456869. The next prime is 2456879. The reversal of 2456871 is 1786542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2456871 - 2¹ = 2456869 is a prime.

It is a super-2 number, since 2×2456871² = 12072430221282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456879) 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 7 ways as a sum of consecutive naturals, for example, 21495 + ... + 21608.

It is an arithmetic number, because the mean of its divisors is an integer number (431040).

2^2456871 is an apocalyptic number.

2456871 is a deficient number, since it is larger than the sum of its proper divisors (991449).

2456871 is a wasteful number, since it uses less digits than its factorization.

2456871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43125.

The product of its digits is 13440, while the sum is 33.

The square root of 2456871 is about 1567.4409079771. The cubic root of 2456871 is about 134.9358817604.

The spelling of 2456871 in words is "two million, four hundred fifty-six thousand, eight hundred seventy-one".