1338269 has 2 divisors, whose sum is σ = 1338270. Its totient is φ = 1338268.

The previous prime is 1338247. The next prime is 1338277. The reversal of 1338269 is 9628331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 931225 + 407044 = 965^2 + 638^2 .

It is an emirp because it is prime and its reverse (9628331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1338269 - 2⁸ = 1338013 is a prime.

It is a super-2 number, since 2×1338269² = 3581927832722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669134 + 669135.

It is an arithmetic number, because the mean of its divisors is an integer number (669135).

2^1338269 is an apocalyptic number.

It is an amenable number.

1338269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338269 is an equidigital number, since it uses as much as digits as its factorization.

1338269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 1338269 is about 1156.8357705396. The cubic root of 1338269 is about 110.1998844974.

The spelling of 1338269 in words is "one million, three hundred thirty-eight thousand, two hundred sixty-nine".