273940 has 12 divisors (see below), whose sum is σ = 575316. Its totient is φ = 109568.

The previous prime is 273929. The next prime is 273941. The reversal of 273940 is 49372.

It can be written as a sum of positive squares in 2 ways, for example, as 41616 + 232324 = 204^2 + 482^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6829 + ... + 6868.

It is an arithmetic number, because the mean of its divisors is an integer number (47943).

2²⁷³⁹⁴⁰ is an apocalyptic number.

273940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273940 is an abundant number, since it is smaller than the sum of its proper divisors (301376).

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

273940 is a wasteful number, since it uses less digits than its factorization.

273940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13706 (or 13704 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 273940 is about 523.3927779402. The cubic root of 273940 is about 64.9459116115.

The spelling of 273940 in words is "two hundred seventy-three thousand, nine hundred forty".