2868663 has 8 divisors (see below), whose sum is σ = 4371328. Its totient is φ = 1639224.

The previous prime is 2868617. The next prime is 2868673. The reversal of 2868663 is 3668682.

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

It is not a de Polignac number, because 2868663 - 2⁸ = 2868407 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 (2868673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68281 + ... + 68322.

It is an arithmetic number, because the mean of its divisors is an integer number (546416).

2^2868663 is an apocalyptic number.

2868663 is a deficient number, since it is larger than the sum of its proper divisors (1502665).

2868663 is a wasteful number, since it uses less digits than its factorization.

2868663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136613.

The product of its digits is 82944, while the sum is 39.

The square root of 2868663 is about 1693.7127855690. The cubic root of 2868663 is about 142.0887991828.

The spelling of 2868663 in words is "two million, eight hundred sixty-eight thousand, six hundred sixty-three".