278796 has 24 divisors (see below), whose sum is σ = 743680. Its totient is φ = 79632.

The previous prime is 278767. The next prime is 278801. The reversal of 278796 is 697872.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 278796.

It is an unprimeable number.

278796 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 1576 + ... + 1743.

2²⁷⁸⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

278796 is an abundant number, since it is smaller than the sum of its proper divisors (464884).

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

278796 is a wasteful number, since it uses less digits than its factorization.

278796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333 (or 3331 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 278796 is about 528.0113635141. The cubic root of 278796 is about 65.3274209097.

The spelling of 278796 in words is "two hundred seventy-eight thousand, seven hundred ninety-six".