278852 has 24 divisors (see below), whose sum is σ = 583296. Its totient is φ = 114048.

The previous prime is 278849. The next prime is 278867. The reversal of 278852 is 258872.

278852 is nontrivially palindromic in base 16.

It is a d-powerful number, because it can be written as 2 + 7² + 8 + 8⁶ + 5⁶ + 2¹⁰ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428 + ... + 860.

It is an arithmetic number, because the mean of its divisors is an integer number (24304).

2²⁷⁸⁸⁵² 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 278852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291648).

278852 is an abundant number, since it is smaller than the sum of its proper divisors (304444).

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

278852 is a wasteful number, since it uses less digits than its factorization.

278852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 465 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 278852 is about 528.0643900132. The cubic root of 278852 is about 65.3317945864.

The spelling of 278852 in words is "two hundred seventy-eight thousand, eight hundred fifty-two".