2669868 has 48 divisors (see below), whose sum is σ = 7056000. Its totient is φ = 872784.

The previous prime is 2669857. The next prime is 2669873. The reversal of 2669868 is 8689662.

2669868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6163 + ... + 6581.

It is an arithmetic number, because the mean of its divisors is an integer number (147000).

2^2669868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2669868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3528000).

2669868 is an abundant number, since it is smaller than the sum of its proper divisors (4386132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2669868 is a wasteful number, since it uses less digits than its factorization.

2669868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 483 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 2669868 is about 1633.9730719935. The cubic root of 2669868 is about 138.7277246929.

The spelling of 2669868 in words is "two million, six hundred sixty-nine thousand, eight hundred sixty-eight".