8494387 has 16 divisors (see below), whose sum is σ = 9878400. Its totient is φ = 7223040.

The previous prime is 8494379. The next prime is 8494391. The reversal of 8494387 is 7834948.

It is not a de Polignac number, because 8494387 - 2³ = 8494379 is a prime.

It is a super-2 number, since 2×8494387² = 144309221011538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8494487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20064 + ... + 20482.

It is an arithmetic number, because the mean of its divisors is an integer number (617400).

Almost surely, 2^8494387 is an apocalyptic number.

8494387 is a deficient number, since it is larger than the sum of its proper divisors (1384013).

8494387 is a wasteful number, since it uses less digits than its factorization.

8494387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546.

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

The square root of 8494387 is about 2914.5131668943. The cubic root of 8494387 is about 204.0378229882.

The spelling of 8494387 in words is "eight million, four hundred ninety-four thousand, three hundred eighty-seven".