273928 has 16 divisors (see below), whose sum is σ = 520380. Its totient is φ = 135168.

The previous prime is 273919. The next prime is 273929. The reversal of 273928 is 829372.

It can be written as a sum of positive squares in 2 ways, for example, as 272484 + 1444 = 522^2 + 38^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 273928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273929) by changing a digit.

273928 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 3 ways as a sum of consecutive naturals, for example, 600 + ... + 952.

2²⁷³⁹²⁸ is an apocalyptic number.

It is an amenable number.

273928 is a deficient number, since it is larger than the sum of its proper divisors (246452).

273928 is a wasteful number, since it uses less digits than its factorization.

273928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 452 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 273928 is about 523.3813141487. The cubic root of 273928 is about 64.9449632745.

The spelling of 273928 in words is "two hundred seventy-three thousand, nine hundred twenty-eight".