8378494 has 16 divisors (see below), whose sum is σ = 13044096. Its totient is φ = 4032000.

The previous prime is 8378483. The next prime is 8378519. The reversal of 8378494 is 4948738.

It is a super-3 number, since 3×8378494³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8378494.

It is a congruent number.

It is an unprimeable number.

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, 20694 + ... + 21094.

It is an arithmetic number, because the mean of its divisors is an integer number (815256).

Almost surely, 2^8378494 is an apocalyptic number.

8378494 is a deficient number, since it is larger than the sum of its proper divisors (4665602).

8378494 is a wasteful number, since it uses less digits than its factorization.

8378494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its digits is 193536, while the sum is 43.

The square root of 8378494 is about 2894.5628340045. The cubic root of 8378494 is about 203.1056419895.

The spelling of 8378494 in words is "eight million, three hundred seventy-eight thousand, four hundred ninety-four".