9882378 has 64 divisors (see below), whose sum is σ = 24330240. Its totient is φ = 2948400.

The previous prime is 9882373. The next prime is 9882391. The reversal of 9882378 is 8732889.

It is a super-2 number, since 2×9882378² = 195322789869768, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9882371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75373 + ... + 75503.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

Almost surely, 2^9882378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9882378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12165120).

9882378 is an abundant number, since it is smaller than the sum of its proper divisors (14447862).

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

9882378 is a wasteful number, since it uses less digits than its factorization.

9882378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 274 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 9882378 is about 3143.6249776333. The cubic root of 9882378 is about 214.5954389710.

The spelling of 9882378 in words is "nine million, eight hundred eighty-two thousand, three hundred seventy-eight".