8478266 has 16 divisors (see below), whose sum is σ = 13271040. Its totient is φ = 4057200.

The previous prime is 8478263. The next prime is 8478269. The reversal of 8478266 is 6628748.

It is an interprime number because it is at equal distance from previous prime (8478263) and next prime (8478269).

It is not an unprimeable number, because it can be changed into a prime (8478263) 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 7 ways as a sum of consecutive naturals, for example, 6791 + ... + 7941.

It is an arithmetic number, because the mean of its divisors is an integer number (829440).

Almost surely, 2^8478266 is an apocalyptic number.

8478266 is a deficient number, since it is larger than the sum of its proper divisors (4792774).

8478266 is a wasteful number, since it uses less digits than its factorization.

8478266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309.

The product of its digits is 129024, while the sum is 41.

The square root of 8478266 is about 2911.7462114683. The cubic root of 8478266 is about 203.9086640980.

It can be divided in two parts, 84782 and 66, that added together give a palindrome (84848).

The spelling of 8478266 in words is "eight million, four hundred seventy-eight thousand, two hundred sixty-six".