273998 has 4 divisors (see below), whose sum is σ = 411000. Its totient is φ = 136998.

The previous prime is 273997. The next prime is 274007. The reversal of 273998 is 899372.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 273998.

It is not an unprimeable number, because it can be changed into a prime (273997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68498 + ... + 68501.

It is an arithmetic number, because the mean of its divisors is an integer number (102750).

2²⁷³⁹⁹⁸ is an apocalyptic number.

273998 is a deficient number, since it is larger than the sum of its proper divisors (137002).

273998 is a wasteful number, since it uses less digits than its factorization.

273998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137001.

The product of its digits is 27216, while the sum is 38.

The square root of 273998 is about 523.4481827268. The cubic root of 273998 is about 64.9504948500.

The spelling of 273998 in words is "two hundred seventy-three thousand, nine hundred ninety-eight".