273903 has 8 divisors (see below), whose sum is σ = 417408. Its totient is φ = 156504.

The previous prime is 273901. The next prime is 273913. The reversal of 273903 is 309372.

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

It is not a de Polignac number, because 273903 - 2¹ = 273901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273901) 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, 6501 + ... + 6542.

It is an arithmetic number, because the mean of its divisors is an integer number (52176).

2²⁷³⁹⁰³ is an apocalyptic number.

273903 is a deficient number, since it is larger than the sum of its proper divisors (143505).

273903 is a wasteful number, since it uses less digits than its factorization.

273903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13053.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 273903 is about 523.3574304431. The cubic root of 273903 is about 64.9429874834.

It can be divided in two parts, 273 and 903, that added together give a triangular number (1176 = T₄₈).

The spelling of 273903 in words is "two hundred seventy-three thousand, nine hundred three".