2427871 has 4 divisors (see below), whose sum is σ = 2431000. Its totient is φ = 2424744.

The previous prime is 2427869. The next prime is 2427883. The reversal of 2427871 is 1787242.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2427871 - 2¹ = 2427869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2427371) 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, 580 + ... + 2278.

It is an arithmetic number, because the mean of its divisors is an integer number (607750).

2^2427871 is an apocalyptic number.

2427871 is a deficient number, since it is larger than the sum of its proper divisors (3129).

2427871 is a wasteful number, since it uses less digits than its factorization.

2427871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128.

The product of its digits is 6272, while the sum is 31.

The square root of 2427871 is about 1558.1627001055. The cubic root of 2427871 is about 134.4028679176.

The spelling of 2427871 in words is "two million, four hundred twenty-seven thousand, eight hundred seventy-one".