2664338 has 4 divisors (see below), whose sum is σ = 3996510. Its totient is φ = 1332168.

The previous prime is 2664329. The next prime is 2664341. The reversal of 2664338 is 8334662.

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., 2455489 + 208849 = 1567^2 + 457^2 .

It is a d-powerful number, because it can be written as 2²¹ + 6⁷ + 6⁷ + 4² + 3⁶ + 3⁸ + 8 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666083 + ... + 666086.

2^2664338 is an apocalyptic number.

2664338 is a deficient number, since it is larger than the sum of its proper divisors (1332172).

2664338 is a wasteful number, since it uses less digits than its factorization.

2664338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332171.

The product of its digits is 20736, while the sum is 32.

The square root of 2664338 is about 1632.2800004901. The cubic root of 2664338 is about 138.6318779326.

The spelling of 2664338 in words is "two million, six hundred sixty-four thousand, three hundred thirty-eight".