383206842 has 64 divisors (see below), whose sum is σ = 867888000. Its totient is φ = 125314560.

The previous prime is 383206799. The next prime is 383206847. The reversal of 383206842 is 248602383.

It is a super-2 number, since 2×383206842² = 293694967511225928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 383206797 and 383206806.

It is not an unprimeable number, because it can be changed into a prime (383206847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 780217 + ... + 780707.

It is an arithmetic number, because the mean of its divisors is an integer number (13560750).

Almost surely, 2^383206842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383206842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433944000).

383206842 is an abundant number, since it is smaller than the sum of its proper divisors (484681158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

383206842 is a wasteful number, since it uses less digits than its factorization.

383206842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 383206842 is about 19575.6696437184. The cubic root of 383206842 is about 726.3474533853.

The spelling of 383206842 in words is "three hundred eighty-three million, two hundred six thousand, eight hundred forty-two".