383806 has 4 divisors (see below), whose sum is σ = 575712. Its totient is φ = 191902.

The previous prime is 383797. The next prime is 383807. The reversal of 383806 is 608383.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383807) 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, 95950 + ... + 95953.

It is an arithmetic number, because the mean of its divisors is an integer number (143928).

2³⁸³⁸⁰⁶ is an apocalyptic number.

383806 is a deficient number, since it is larger than the sum of its proper divisors (191906).

383806 is a wasteful number, since it uses less digits than its factorization.

383806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191905.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 383806 is about 619.5207825408. The cubic root of 383806 is about 72.6725813252.

It can be divided in two parts, 38 and 3806, that added together give a square (3844 = 62²).

The spelling of 383806 in words is "three hundred eighty-three thousand, eight hundred six".