1338404326 has 24 divisors (see below), whose sum is σ = 2389697640. Its totient is φ = 560260512.

The previous prime is 1338404311. The next prime is 1338404341. The reversal of 1338404326 is 6234048331.

It is an interprime number because it is at equal distance from previous prime (1338404311) and next prime (1338404341).

It is a super-2 number, since 2×1338404326² = 3582652279711028552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1338404291 and 1338404300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154591 + ... + 163018.

It is an arithmetic number, because the mean of its divisors is an integer number (99570735).

Almost surely, 2^1338404326 is an apocalyptic number.

1338404326 is a deficient number, since it is larger than the sum of its proper divisors (1051293314).

1338404326 is a wasteful number, since it uses less digits than its factorization.

1338404326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317668 (or 317661 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 1338404326 is about 36584.2086971961. The cubic root of 1338404326 is about 1102.0359884953.

The spelling of 1338404326 in words is "one billion, three hundred thirty-eight million, four hundred four thousand, three hundred twenty-six".