8278416 has 40 divisors (see below), whose sum is σ = 23763360. Its totient is φ = 2759328.

The previous prime is 8278411. The next prime is 8278421. The reversal of 8278416 is 6148728.

It is an interprime number because it is at equal distance from previous prime (8278411) and next prime (8278421).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8278411) 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, 9150 + ... + 10013.

It is an arithmetic number, because the mean of its divisors is an integer number (594084).

Almost surely, 2^8278416 is an apocalyptic number.

It is an amenable number.

8278416 is an abundant number, since it is smaller than the sum of its proper divisors (15484944).

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

8278416 is a wasteful number, since it uses less digits than its factorization.

8278416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19180 (or 19168 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 8278416 is about 2877.2236617962. The cubic root of 8278416 is about 202.2937268546.

The spelling of 8278416 in words is "eight million, two hundred seventy-eight thousand, four hundred sixteen".