1338826 has 4 divisors (see below), whose sum is σ = 2008242. Its totient is φ = 669412.

The previous prime is 1338823. The next prime is 1338851. The reversal of 1338826 is 6288331.

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., 697225 + 641601 = 835^2 + 801^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1338823) by changing a digit.

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, 334705 + ... + 334708.

2^1338826 is an apocalyptic number.

1338826 is a deficient number, since it is larger than the sum of its proper divisors (669416).

1338826 is an equidigital number, since it uses as much as digits as its factorization.

1338826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669415.

The product of its digits is 6912, while the sum is 31.

The square root of 1338826 is about 1157.0764883965. The cubic root of 1338826 is about 110.2151711156.

The spelling of 1338826 in words is "one million, three hundred thirty-eight thousand, eight hundred twenty-six".