2664238 has 4 divisors (see below), whose sum is σ = 3996360. Its totient is φ = 1332118.

The previous prime is 2664229. The next prime is 2664241. The reversal of 2664238 is 8324662.

2664238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2664238 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 666058 + ... + 666061.

It is an arithmetic number, because the mean of its divisors is an integer number (999090).

2^2664238 is an apocalyptic number.

2664238 is a deficient number, since it is larger than the sum of its proper divisors (1332122).

2664238 is a wasteful number, since it uses less digits than its factorization.

2664238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332121.

The product of its digits is 13824, while the sum is 31.

The square root of 2664238 is about 1632.2493682033. The cubic root of 2664238 is about 138.6301434979.

The spelling of 2664238 in words is "two million, six hundred sixty-four thousand, two hundred thirty-eight".