2669684 has 6 divisors (see below), whose sum is σ = 4671954. Its totient is φ = 1334840.

The previous prime is 2669669. The next prime is 2669687. The reversal of 2669684 is 4869662.

2669684 is nontrivially palindromic in base 9.

2669684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1612900 + 1056784 = 1270^2 + 1028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669687) by changing a digit.

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 as a sum of consecutive naturals, namely, 333707 + ... + 333714.

It is an arithmetic number, because the mean of its divisors is an integer number (778659).

2^2669684 is an apocalyptic number.

It is an amenable number.

2669684 is a deficient number, since it is larger than the sum of its proper divisors (2002270).

2669684 is a wasteful number, since it uses less digits than its factorization.

2669684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667425 (or 667423 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 2669684 is about 1633.9167665460. The cubic root of 2669684 is about 138.7245377079.

The spelling of 2669684 in words is "two million, six hundred sixty-nine thousand, six hundred eighty-four".