273806 has 8 divisors (see below), whose sum is σ = 442344. Its totient is φ = 126360.

The previous prime is 273803. The next prime is 273821. The reversal of 273806 is 608372.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 10531 = 273806 / (2 + 7 + 3 + 8 + 0 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5240 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (55293).

2²⁷³⁸⁰⁶ is an apocalyptic number.

273806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

273806 is a deficient number, since it is larger than the sum of its proper divisors (168538).

273806 is a wasteful number, since it uses less digits than its factorization.

273806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10546.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 273806 is about 523.2647513449. The cubic root of 273806 is about 64.9353202757.

The spelling of 273806 in words is "two hundred seventy-three thousand, eight hundred six".