278941 has 8 divisors (see below), whose sum is σ = 308000. Its totient is φ = 250992.

The previous prime is 278917. The next prime is 278947. The reversal of 278941 is 149872.

278941 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 278941 - 2⁵ = 278909 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310 + ... + 808.

It is an arithmetic number, because the mean of its divisors is an integer number (38500).

2²⁷⁸⁹⁴¹ is an apocalyptic number.

It is an amenable number.

278941 is a deficient number, since it is larger than the sum of its proper divisors (29059).

278941 is a wasteful number, since it uses less digits than its factorization.

278941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its digits is 4032, while the sum is 31.

The square root of 278941 is about 528.1486533165. The cubic root of 278941 is about 65.3387444035.

The spelling of 278941 in words is "two hundred seventy-eight thousand, nine hundred forty-one".