382855140 has 48 divisors (see below), whose sum is σ = 1191106560. Its totient is φ = 102094560.

The previous prime is 382855117. The next prime is 382855141. The reversal of 382855140 is 41558283.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 382855095 and 382855104.

It is not an unprimeable number, because it can be changed into a prime (382855141) 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 15 ways as a sum of consecutive naturals, for example, 353956 + ... + 355035.

It is an arithmetic number, because the mean of its divisors is an integer number (24814720).

Almost surely, 2^382855140 is an apocalyptic number.

382855140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

382855140 is an abundant number, since it is smaller than the sum of its proper divisors (808251420).

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

382855140 is a wasteful number, since it uses less digits than its factorization.

382855140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709009 (or 709001 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 382855140 is about 19566.6844406506. The cubic root of 382855140 is about 726.1251747829.

The spelling of 382855140 in words is "three hundred eighty-two million, eight hundred fifty-five thousand, one hundred forty".