540093 has 8 divisors (see below), whose sum is σ = 737856. Its totient is φ = 351200.

The previous prime is 540079. The next prime is 540101. The reversal of 540093 is 390045.

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

It is a cyclic number.

It is not a de Polignac number, because 540093 - 2⁵ = 540061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542093) 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, 2073 + ... + 2318.

It is an arithmetic number, because the mean of its divisors is an integer number (92232).

2⁵⁴⁰⁰⁹³ is an apocalyptic number.

It is an amenable number.

540093 is a deficient number, since it is larger than the sum of its proper divisors (197763).

540093 is a wasteful number, since it uses less digits than its factorization.

540093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 540093 is about 734.9101985957. The cubic root of 540093 is about 81.4372030598.

The spelling of 540093 in words is "five hundred forty thousand, ninety-three".