8378244 has 36 divisors (see below), whose sum is σ = 24204544. Its totient is φ = 2393712.

The previous prime is 8378239. The next prime is 8378257. The reversal of 8378244 is 4428738.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8378199 and 8378208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16372 + ... + 16875.

Almost surely, 2^8378244 is an apocalyptic number.

8378244 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8378244 is an abundant number, since it is smaller than the sum of its proper divisors (15826300).

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

8378244 is a wasteful number, since it uses less digits than its factorization.

8378244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33264 (or 33259 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 8378244 is about 2894.5196492683. The cubic root of 8378244 is about 203.1036218606.

The spelling of 8378244 in words is "eight million, three hundred seventy-eight thousand, two hundred forty-four".