278214 has 16 divisors (see below), whose sum is σ = 563760. Its totient is φ = 91520.

The previous prime is 278209. The next prime is 278219. The reversal of 278214 is 412872.

278214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (278209) and next prime (278219).

It is an Ulam number.

It is a nialpdrome in base 13.

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 278214.

It is not an unprimeable number, because it can be changed into a prime (278219) 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, 274 + ... + 794.

It is an arithmetic number, because the mean of its divisors is an integer number (35235).

2²⁷⁸²¹⁴ is an apocalyptic number.

278214 is an abundant number, since it is smaller than the sum of its proper divisors (285546).

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

278214 is a wasteful number, since it uses less digits than its factorization.

278214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its digits is 896, while the sum is 24.

The square root of 278214 is about 527.4599510863. The cubic root of 278214 is about 65.2819312013.

The spelling of 278214 in words is "two hundred seventy-eight thousand, two hundred fourteen".