1383917 has 2 divisors, whose sum is σ = 1383918. Its totient is φ = 1383916.

The previous prime is 1383913. The next prime is 1383923. The reversal of 1383917 is 7193831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885481 + 498436 = 941^2 + 706^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383917 - 2² = 1383913 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691958 + 691959.

It is an arithmetic number, because the mean of its divisors is an integer number (691959).

2^1383917 is an apocalyptic number.

It is an amenable number.

1383917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383917 is an equidigital number, since it uses as much as digits as its factorization.

1383917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 1383917 is about 1176.4000170010. The cubic root of 1383917 is about 111.4388653181.

The spelling of 1383917 in words is "one million, three hundred eighty-three thousand, nine hundred seventeen".