8394978 has 16 divisors (see below), whose sum is σ = 17369280. Its totient is φ = 2701776.

The previous prime is 8394943. The next prime is 8394983. The reversal of 8394978 is 8794938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23950 + ... + 24297.

It is an arithmetic number, because the mean of its divisors is an integer number (1085580).

Almost surely, 2^8394978 is an apocalyptic number.

8394978 is an abundant number, since it is smaller than the sum of its proper divisors (8974302).

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

8394978 is a wasteful number, since it uses less digits than its factorization.

8394978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48281.

The product of its digits is 435456, while the sum is 48.

The square root of 8394978 is about 2897.4088423969. The cubic root of 8394978 is about 203.2387526323.

The spelling of 8394978 in words is "eight million, three hundred ninety-four thousand, nine hundred seventy-eight".