1383399 has 12 divisors (see below), whose sum is σ = 2072616. Its totient is φ = 922104.

The previous prime is 1383391. The next prime is 1383401. The reversal of 1383399 is 9933831.

It is not a de Polignac number, because 1383399 - 2³ = 1383391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383391) 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 in 11 ways as a sum of consecutive naturals, for example, 2604 + ... + 3089.

It is an arithmetic number, because the mean of its divisors is an integer number (172718).

2^1383399 is an apocalyptic number.

1383399 is a deficient number, since it is larger than the sum of its proper divisors (689217).

1383399 is an frugal number, since it uses more digits than its factorization.

1383399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5708 (or 5696 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 1383399 is about 1176.1798331888. The cubic root of 1383399 is about 111.4249597308.

The spelling of 1383399 in words is "one million, three hundred eighty-three thousand, three hundred ninety-nine".