8388378 has 48 divisors (see below), whose sum is σ = 19543680. Its totient is φ = 2590848.

The previous prime is 8388377. The next prime is 8388409. The reversal of 8388378 is 8738838.

Its product of digits (258048) is a multiple of the sum of its prime divisors (448).

It is not an unprimeable number, because it can be changed into a prime (8388371) 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, 24001 + ... + 24347.

It is an arithmetic number, because the mean of its divisors is an integer number (407160).

Almost surely, 2^8388378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8388378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9771840).

8388378 is an abundant number, since it is smaller than the sum of its proper divisors (11155302).

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

8388378 is a wasteful number, since it uses less digits than its factorization.

8388378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 448 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 8388378 is about 2896.2696697649. The cubic root of 8388378 is about 203.1854776289.

It can be divided in two parts, 838 and 8378, that added together give a square (9216 = 96²).

The spelling of 8388378 in words is "eight million, three hundred eighty-eight thousand, three hundred seventy-eight".