278048 has 12 divisors (see below), whose sum is σ = 547470. Its totient is φ = 139008.

The previous prime is 278041. The next prime is 278051. The reversal of 278048 is 840872.

It can be written as a sum of positive squares in only one way, i.e., 183184 + 94864 = 428^2 + 308^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 278048.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 278048.

It is not an unprimeable number, because it can be changed into a prime (278041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4313 + ... + 4376.

2²⁷⁸⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

278048 is a deficient number, since it is larger than the sum of its proper divisors (269422).

278048 is an equidigital number, since it uses as much as digits as its factorization.

278048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8699 (or 8691 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 278048 is about 527.3025696884. The cubic root of 278048 is about 65.2689448471.

The spelling of 278048 in words is "two hundred seventy-eight thousand, forty-eight".