8378942 has 16 divisors (see below), whose sum is σ = 14766192. Its totient is φ = 3515520.

The previous prime is 8378893. The next prime is 8378987. The reversal of 8378942 is 2498738.

It is a self number, because there is not a number n which added to its sum of digits gives 8378942.

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, 14363 + ... + 14934.

It is an arithmetic number, because the mean of its divisors is an integer number (922887).

Almost surely, 2^8378942 is an apocalyptic number.

8378942 is a deficient number, since it is larger than the sum of its proper divisors (6387250).

8378942 is a wasteful number, since it uses less digits than its factorization.

8378942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29323.

The product of its digits is 96768, while the sum is 41.

The square root of 8378942 is about 2894.6402194401. The cubic root of 8378942 is about 203.1092619601.

It can be divided in two parts, 837 and 8942, that added together give a palindrome (9779).

The spelling of 8378942 in words is "eight million, three hundred seventy-eight thousand, nine hundred forty-two".