382843640 has 16 divisors (see below), whose sum is σ = 861398280. Its totient is φ = 153137440.

The previous prime is 382843627. The next prime is 382843649. The reversal of 382843640 is 46348283.

It is a junction number, because it is equal to n+sod(n) for n = 382843594 and 382843603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382843649) 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 3 ways as a sum of consecutive naturals, for example, 4785506 + ... + 4785585.

Almost surely, 2^382843640 is an apocalyptic number.

It is an amenable number.

382843640 is an abundant number, since it is smaller than the sum of its proper divisors (478554640).

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

382843640 is a wasteful number, since it uses less digits than its factorization.

382843640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9571102 (or 9571098 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 382843640 is about 19566.3905715898. The cubic root of 382843640 is about 726.1179043889.

The spelling of 382843640 in words is "three hundred eighty-two million, eight hundred forty-three thousand, six hundred forty".