2868455 has 4 divisors (see below), whose sum is σ = 3442152. Its totient is φ = 2294760.

The previous prime is 2868451. The next prime is 2868473. The reversal of 2868455 is 5548682.

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

It is not a de Polignac number, because 2868455 - 2² = 2868451 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 (2868451) 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, 286841 + ... + 286850.

It is an arithmetic number, because the mean of its divisors is an integer number (860538).

2^2868455 is an apocalyptic number.

2868455 is a deficient number, since it is larger than the sum of its proper divisors (573697).

2868455 is an equidigital number, since it uses as much as digits as its factorization.

2868455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573696.

The product of its digits is 76800, while the sum is 38.

The square root of 2868455 is about 1693.6513808928. The cubic root of 2868455 is about 142.0853649250.

The spelling of 2868455 in words is "two million, eight hundred sixty-eight thousand, four hundred fifty-five".