8780382 has 48 divisors (see below), whose sum is σ = 20704320. Its totient is φ = 2673216.

The previous prime is 8780377. The next prime is 8780383. The reversal of 8780382 is 2830878.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8780383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36619 + ... + 36857.

It is an arithmetic number, because the mean of its divisors is an integer number (431340).

Almost surely, 2^8780382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8780382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10352160).

8780382 is an abundant number, since it is smaller than the sum of its proper divisors (11923938).

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

8780382 is a wasteful number, since it uses less digits than its factorization.

8780382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 8780382 is about 2963.1709366825. The cubic root of 8780382 is about 206.3024902215.

The spelling of 8780382 in words is "eight million, seven hundred eighty thousand, three hundred eighty-two".