273980 has 48 divisors (see below), whose sum is σ = 698880. Its totient is φ = 88128.

The previous prime is 273979. The next prime is 273997. The reversal of 273980 is 89372.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2609 + ... + 2711.

It is an arithmetic number, because the mean of its divisors is an integer number (14560).

2²⁷³⁹⁸⁰ is an apocalyptic number.

273980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349440).

273980 is an abundant number, since it is smaller than the sum of its proper divisors (424900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

273980 is a wasteful number, since it uses less digits than its factorization.

273980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 273980 is about 523.4309887655. The cubic root of 273980 is about 64.9490725348.

The spelling of 273980 in words is "two hundred seventy-three thousand, nine hundred eighty".