2646338 has 4 divisors (see below), whose sum is σ = 3969510. Its totient is φ = 1323168.

The previous prime is 2646269. The next prime is 2646353. The reversal of 2646338 is 8336462.

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., 2569609 + 76729 = 1603^2 + 277^2 .

It is a d-powerful number, because it can be written as 2¹¹ + 6 + 4¹⁰ + 6⁴ + 3⁴ + 3¹³ + 8 .

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661583 + ... + 661586.

2^2646338 is an apocalyptic number.

2646338 is a deficient number, since it is larger than the sum of its proper divisors (1323172).

2646338 is a wasteful number, since it uses less digits than its factorization.

2646338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323171.

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

The square root of 2646338 is about 1626.7568964046. The cubic root of 2646338 is about 138.3189778816.

It can be divided in two parts, 26 and 46338, that added together give a palindrome (46364).

The spelling of 2646338 in words is "two million, six hundred forty-six thousand, three hundred thirty-eight".