2868751 has 4 divisors (see below), whose sum is σ = 2875000. Its totient is φ = 2862504.

The previous prime is 2868713. The next prime is 2868773. The reversal of 2868751 is 1578682.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2868751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2868751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868251) 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, 2376 + ... + 3373.

It is an arithmetic number, because the mean of its divisors is an integer number (718750).

2^2868751 is an apocalyptic number.

2868751 is a deficient number, since it is larger than the sum of its proper divisors (6249).

2868751 is an equidigital number, since it uses as much as digits as its factorization.

2868751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248.

The product of its digits is 26880, while the sum is 37.

The square root of 2868751 is about 1693.7387638004. The cubic root of 2868751 is about 142.0902520880.

The spelling of 2868751 in words is "two million, eight hundred sixty-eight thousand, seven hundred fifty-one".