8378223 has 16 divisors (see below), whose sum is σ = 12848640. Its totient is φ = 4756896.

The previous prime is 8378219. The next prime is 8378231. The reversal of 8378223 is 3228738.

It is a happy number.

It is not a de Polignac number, because 8378223 - 2² = 8378219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8378203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2313 + ... + 4701.

It is an arithmetic number, because the mean of its divisors is an integer number (803040).

Almost surely, 2^8378223 is an apocalyptic number.

8378223 is a deficient number, since it is larger than the sum of its proper divisors (4470417).

8378223 is a wasteful number, since it uses less digits than its factorization.

8378223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566.

The product of its digits is 16128, while the sum is 33.

The square root of 8378223 is about 2894.5160217211. The cubic root of 8378223 is about 203.1034521679.

The spelling of 8378223 in words is "eight million, three hundred seventy-eight thousand, two hundred twenty-three".