1383449 has 2 divisors, whose sum is σ = 1383450. Its totient is φ = 1383448.

The previous prime is 1383433. The next prime is 1383451. The reversal of 1383449 is 9443831.

1383449 is nontrivially palindromic in base 3.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883600 + 499849 = 940^2 + 707^2 .

It is an emirp because it is prime and its reverse (9443831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1383449 - 2⁴ = 1383433 is a prime.

It is a super-2 number, since 2×1383449² = 3827862271202, which contains 22 as substring.

Together with 1383451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1383479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691724 + 691725.

It is an arithmetic number, because the mean of its divisors is an integer number (691725).

2^1383449 is an apocalyptic number.

It is an amenable number.

1383449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383449 is an equidigital number, since it uses as much as digits as its factorization.

1383449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 1383449 is about 1176.2010882498. The cubic root of 1383449 is about 111.4263021203.

The spelling of 1383449 in words is "one million, three hundred eighty-three thousand, four hundred forty-nine".