382879820 has 24 divisors (see below), whose sum is σ = 814228800. Its totient is φ = 151212672.

The previous prime is 382879807. The next prime is 382879829. The reversal of 382879820 is 28978283.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (382879829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119585 + ... + 122744.

It is an arithmetic number, because the mean of its divisors is an integer number (33926200).

Almost surely, 2^382879820 is an apocalyptic number.

It is an amenable number.

382879820 is an abundant number, since it is smaller than the sum of its proper divisors (431348980).

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

382879820 is a wasteful number, since it uses less digits than its factorization.

382879820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242417 (or 242415 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 382879820 is about 19567.3150943097. The cubic root of 382879820 is about 726.1407771891.

The spelling of 382879820 in words is "three hundred eighty-two million, eight hundred seventy-nine thousand, eight hundred twenty".