383799 has 12 divisors (see below), whose sum is σ = 554856. Its totient is φ = 235872.

The previous prime is 383797. The next prime is 383807. The reversal of 383799 is 997383.

It is a happy number.

It is not a de Polignac number, because 383799 - 2¹ = 383797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383791) 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, 129 + ... + 885.

It is an arithmetic number, because the mean of its divisors is an integer number (46238).

2³⁸³⁷⁹⁹ is an apocalyptic number.

383799 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

383799 is a deficient number, since it is larger than the sum of its proper divisors (171057).

383799 is a wasteful number, since it uses less digits than its factorization.

383799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 773 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 383799 is about 619.5151329871. The cubic root of 383799 is about 72.6721395124.

The spelling of 383799 in words is "three hundred eighty-three thousand, seven hundred ninety-nine".