383828 has 6 divisors (see below), whose sum is σ = 671706. Its totient is φ = 191912.

The previous prime is 383821. The next prime is 383833. The reversal of 383828 is 828383.

It can be written as a sum of positive squares in only one way, i.e., 327184 + 56644 = 572^2 + 238^2 .

It is a junction number, because it is equal to n+sod(n) for n = 383794 and 383803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383821) by changing a digit.

383828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47975 + ... + 47982.

It is an arithmetic number, because the mean of its divisors is an integer number (111951).

2³⁸³⁸²⁸ is an apocalyptic number.

It is an amenable number.

383828 is a deficient number, since it is larger than the sum of its proper divisors (287878).

383828 is a wasteful number, since it uses less digits than its factorization.

383828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95961 (or 95959 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 383828 is about 619.5385379458. The cubic root of 383828 is about 72.6739698446.

The spelling of 383828 in words is "three hundred eighty-three thousand, eight hundred twenty-eight".