2868623 has 4 divisors (see below), whose sum is σ = 2880768. Its totient is φ = 2856480.

The previous prime is 2868617. The next prime is 2868673. The reversal of 2868623 is 3268682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3268682 = 2 ⋅1634341.

It is a cyclic number.

It is not a de Polignac number, because 2868623 - 2⁸ = 2868367 is a prime.

It is a super-2 number, since 2×2868623² = 16457995832258, which contains 22 as substring.

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 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, 5711 + ... + 6192.

It is an arithmetic number, because the mean of its divisors is an integer number (720192).

2^2868623 is an apocalyptic number.

2868623 is a deficient number, since it is larger than the sum of its proper divisors (12145).

2868623 is a wasteful number, since it uses less digits than its factorization.

2868623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12144.

The product of its digits is 27648, while the sum is 35.

The square root of 2868623 is about 1693.7009771503. The cubic root of 2868623 is about 142.0881387615.

The spelling of 2868623 in words is "two million, eight hundred sixty-eight thousand, six hundred twenty-three".