2428871 has 4 divisors (see below), whose sum is σ = 2447544. Its totient is φ = 2410200.

The previous prime is 2428859. The next prime is 2428879. The reversal of 2428871 is 1788242.

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

It is a cyclic number.

It is not a de Polignac number, because 2428871 - 2¹⁰ = 2427847 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 (2428879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9140 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (611886).

2^2428871 is an apocalyptic number.

2428871 is a deficient number, since it is larger than the sum of its proper divisors (18673).

2428871 is a wasteful number, since it uses less digits than its factorization.

2428871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18672.

The product of its digits is 7168, while the sum is 32.

The square root of 2428871 is about 1558.4835578215. The cubic root of 2428871 is about 134.4213181592.

The spelling of 2428871 in words is "two million, four hundred twenty-eight thousand, eight hundred seventy-one".