540087 has 8 divisors (see below), whose sum is σ = 731136. Its totient is φ = 354552.

The previous prime is 540079. The next prime is 540101. The reversal of 540087 is 780045.

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

It is not a de Polignac number, because 540087 - 2³ = 540079 is a prime.

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 540087.

It is not an unprimeable number, because it can be changed into a prime (540187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143 + ... + 1544.

It is an arithmetic number, because the mean of its divisors is an integer number (91392).

2⁵⁴⁰⁰⁸⁷ is an apocalyptic number.

540087 is a deficient number, since it is larger than the sum of its proper divisors (191049).

540087 is a wasteful number, since it uses less digits than its factorization.

540087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 540087 is about 734.9061164530. The cubic root of 540087 is about 81.4369014914.

The spelling of 540087 in words is "five hundred forty thousand, eighty-seven".