8278452 has 162 divisors, whose sum is σ = 27667458. Its totient is φ = 2068416.

The previous prime is 8278421. The next prime is 8278477. The reversal of 8278452 is 2548728.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5731236 + 2547216 = 2394^2 + 1596^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 435699 + ... + 435717.

Almost surely, 2^8278452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8278452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13833729).

8278452 is an abundant number, since it is smaller than the sum of its proper divisors (19389006).

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

8278452 is a wasteful number, since it uses less digits than its factorization.

8278452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 44 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 8278452 is about 2877.2299178203. The cubic root of 8278452 is about 202.2940200896.

The spelling of 8278452 in words is "eight million, two hundred seventy-eight thousand, four hundred fifty-two".