382786580 has 48 divisors (see below), whose sum is σ = 879318720. Its totient is φ = 138816000.

The previous prime is 382786561. The next prime is 382786601. The reversal of 382786580 is 85687283.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86051 + ... + 90389.

It is an arithmetic number, because the mean of its divisors is an integer number (18319140).

Almost surely, 2^382786580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 382786580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439659360).

382786580 is an abundant number, since it is smaller than the sum of its proper divisors (496532140).

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

382786580 is a wasteful number, since it uses less digits than its factorization.

382786580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760 (or 4758 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 382786580 is about 19564.9324046877. The cubic root of 382786580 is about 726.0818284370.

The spelling of 382786580 in words is "three hundred eighty-two million, seven hundred eighty-six thousand, five hundred eighty".