2868142 has 8 divisors (see below), whose sum is σ = 4309416. Its totient is φ = 1431672.

The previous prime is 2868139. The next prime is 2868149. The reversal of 2868142 is 2418682.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868149) 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, 1608 + ... + 2884.

It is an arithmetic number, because the mean of its divisors is an integer number (538677).

2^2868142 is an apocalyptic number.

2868142 is a deficient number, since it is larger than the sum of its proper divisors (1441274).

2868142 is a wasteful number, since it uses less digits than its factorization.

2868142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402.

The product of its digits is 6144, while the sum is 31.

The square root of 2868142 is about 1693.5589744677. The cubic root of 2868142 is about 142.0801967146.

The spelling of 2868142 in words is "two million, eight hundred sixty-eight thousand, one hundred forty-two".