8378290 has 16 divisors (see below), whose sum is σ = 15115968. Its totient is φ = 3343536.

The previous prime is 8378287. The next prime is 8378291. The reversal of 8378290 is 928738.

It is not an unprimeable number, because it can be changed into a prime (8378291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5779 + ... + 7081.

It is an arithmetic number, because the mean of its divisors is an integer number (944748).

Almost surely, 2^8378290 is an apocalyptic number.

8378290 is a deficient number, since it is larger than the sum of its proper divisors (6737678).

8378290 is a wasteful number, since it uses less digits than its factorization.

8378290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 8378290 is about 2894.5275953081. The cubic root of 8378290 is about 203.1039935673.

It can be divided in two parts, 8378 and 290, that added together give a palindrome (8668).

The spelling of 8378290 in words is "eight million, three hundred seventy-eight thousand, two hundred ninety".