2664418 has 8 divisors (see below), whose sum is σ = 4023900. Its totient is φ = 1323120.

The previous prime is 2664401. The next prime is 2664439. The reversal of 2664418 is 8144662.

2664418 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 2 ways, for example, as 2614689 + 49729 = 1617^2 + 223^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2664418.

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 3 ways as a sum of consecutive naturals, for example, 4173 + ... + 4768.

2^2664418 is an apocalyptic number.

2664418 is a deficient number, since it is larger than the sum of its proper divisors (1359482).

2664418 is a wasteful number, since it uses less digits than its factorization.

2664418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092.

The product of its digits is 9216, while the sum is 31.

The square root of 2664418 is about 1632.3045059057. The cubic root of 2664418 is about 138.6332654492.

It can be divided in two parts, 26644 and 18, that added together give a palindrome (26662).

The spelling of 2664418 in words is "two million, six hundred sixty-four thousand, four hundred eighteen".