278196 has 24 divisors (see below), whose sum is σ = 658560. Its totient is φ = 91392.

The previous prime is 278191. The next prime is 278207. The reversal of 278196 is 691872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278191) by changing a digit.

278196 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045 + ... + 1283.

It is an arithmetic number, because the mean of its divisors is an integer number (27440).

2²⁷⁸¹⁹⁶ is an apocalyptic number.

It is an amenable number.

278196 is an abundant number, since it is smaller than the sum of its proper divisors (380364).

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

278196 is a wasteful number, since it uses less digits than its factorization.

278196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 341 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 278196 is about 527.4428879035. The cubic root of 278196 is about 65.2805232921.

It can be divided in two parts, 278 and 196, that added together give a palindrome (474).

The spelling of 278196 in words is "two hundred seventy-eight thousand, one hundred ninety-six".