1368443 has 2 divisors, whose sum is σ = 1368444. Its totient is φ = 1368442.

The previous prime is 1368439. The next prime is 1368461. The reversal of 1368443 is 3448631.

It is a weak prime.

1368443 is a truncatable prime.

It is an emirp because it is prime and its reverse (3448631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1368443 - 2² = 1368439 is a prime.

It is a d-powerful number, because it can be written as 1 + 3² + 6⁷ + 8⁵ + 4⁹ + 4⁹ + 3¹² .

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (1368463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684221 + 684222.

It is an arithmetic number, because the mean of its divisors is an integer number (684222).

2^1368443 is an apocalyptic number.

1368443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368443 is an equidigital number, since it uses as much as digits as its factorization.

1368443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 1368443 is about 1169.8046845521. The cubic root of 1368443 is about 111.0219635676.

The spelling of 1368443 in words is "one million, three hundred sixty-eight thousand, four hundred forty-three".