2668466 has 4 divisors (see below), whose sum is σ = 4002702. Its totient is φ = 1334232.

The previous prime is 2668459. The next prime is 2668469. The reversal of 2668466 is 6648662.

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

It can be written as a sum of positive squares in only one way, i.e., 2337841 + 330625 = 1529^2 + 575^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2668469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667115 + ... + 667118.

2^2668466 is an apocalyptic number.

2668466 is a deficient number, since it is larger than the sum of its proper divisors (1334236).

2668466 is a wasteful number, since it uses less digits than its factorization.

2668466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334235.

The product of its digits is 82944, while the sum is 38.

The square root of 2668466 is about 1633.5440000196. The cubic root of 2668466 is about 138.7034375590.

The spelling of 2668466 in words is "two million, six hundred sixty-eight thousand, four hundred sixty-six".