383830 has 16 divisors (see below), whose sum is σ = 698544. Its totient is φ = 151840.

The previous prime is 383821. The next prime is 383833. The reversal of 383830 is 38383.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 383795 and 383804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383833) by changing a digit.

383830 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164 + ... + 1456.

It is an arithmetic number, because the mean of its divisors is an integer number (43659).

2³⁸³⁸³⁰ is an apocalyptic number.

383830 is a deficient number, since it is larger than the sum of its proper divisors (314714).

383830 is a wasteful number, since it uses less digits than its factorization.

383830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 383830 is about 619.5401520483. The cubic root of 383830 is about 72.6740960710.

The spelling of 383830 in words is "three hundred eighty-three thousand, eight hundred thirty".