273987 has 12 divisors (see below), whose sum is σ = 452400. Its totient is φ = 156528.

The previous prime is 273979. The next prime is 273997. The reversal of 273987 is 789372.

It is not a de Polignac number, because 273987 - 2³ = 273979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (273967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2112 + ... + 2237.

It is an arithmetic number, because the mean of its divisors is an integer number (37700).

2²⁷³⁹⁸⁷ is an apocalyptic number.

273987 is a deficient number, since it is larger than the sum of its proper divisors (178413).

273987 is a wasteful number, since it uses less digits than its factorization.

273987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362 (or 4359 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 273987 is about 523.4376753731. The cubic root of 273987 is about 64.9496256648.

The spelling of 273987 in words is "two hundred seventy-three thousand, nine hundred eighty-seven".