1383799 has 2 divisors, whose sum is σ = 1383800. Its totient is φ = 1383798.

The previous prime is 1383797. The next prime is 1383803. The reversal of 1383799 is 9973831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1383799 - 2¹ = 1383797 is a prime.

Together with 1383797, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383797) 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, 691899 + 691900.

It is an arithmetic number, because the mean of its divisors is an integer number (691900).

2^1383799 is an apocalyptic number.

1383799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383799 is an equidigital number, since it uses as much as digits as its factorization.

1383799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 40.

The square root of 1383799 is about 1176.3498629234. The cubic root of 1383799 is about 111.4356979413.

The spelling of 1383799 in words is "one million, three hundred eighty-three thousand, seven hundred ninety-nine".