385828 has 6 divisors (see below), whose sum is σ = 675206. Its totient is φ = 192912.

The previous prime is 385817. The next prime is 385831. The reversal of 385828 is 828583.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 357604 + 28224 = 598^2 + 168^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 385793 and 385802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48225 + ... + 48232.

2³⁸⁵⁸²⁸ is an apocalyptic number.

It is an amenable number.

385828 is a deficient number, since it is larger than the sum of its proper divisors (289378).

385828 is a wasteful number, since it uses less digits than its factorization.

385828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96461 (or 96459 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 385828 is about 621.1505453592. The cubic root of 385828 is about 72.7999778610.

The spelling of 385828 in words is "three hundred eighty-five thousand, eight hundred twenty-eight".