273398 has 8 divisors (see below), whose sum is σ = 412608. Its totient is φ = 135864.

The previous prime is 273367. The next prime is 273433. The reversal of 273398 is 893372.

273398 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

273398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (51576).

2²⁷³³⁹⁸ is an apocalyptic number.

273398 is a deficient number, since it is larger than the sum of its proper divisors (139210).

273398 is a wasteful number, since it uses less digits than its factorization.

273398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838.

The product of its digits is 9072, while the sum is 32.

The square root of 273398 is about 522.8747459956. The cubic root of 273398 is about 64.9030507357.

Adding to 273398 its sum of digits (32), we get a triangular number (273430 = T₇₃₉).

The spelling of 273398 in words is "two hundred seventy-three thousand, three hundred ninety-eight".