8478252 has 72 divisors (see below), whose sum is σ = 22643712. Its totient is φ = 2671200.

The previous prime is 8478209. The next prime is 8478259. The reversal of 8478252 is 2528748.

It is a happy number.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 8² + 4² + 7⁵ + 8⁴ + 2¹⁶ + 5⁵ + 2²³ .

It is not an unprimeable number, because it can be changed into a prime (8478259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79183 + ... + 79289.

It is an arithmetic number, because the mean of its divisors is an integer number (314496).

Almost surely, 2^8478252 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 8478252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11321856).

8478252 is an abundant number, since it is smaller than the sum of its proper divisors (14165460).

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

8478252 is a wasteful number, since it uses less digits than its factorization.

8478252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 214 counting only the distinct ones).

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

The square root of 8478252 is about 2911.7438074116. The cubic root of 8478252 is about 203.9085518611.

The spelling of 8478252 in words is "eight million, four hundred seventy-eight thousand, two hundred fifty-two".