540594 has 40 divisors (see below), whose sum is σ = 1254528. Its totient is φ = 173880.

The previous prime is 540587. The next prime is 540599. The reversal of 540594 is 495045.

It is a Harshad number since it is a multiple of its sum of digits (27).

540594 is a modest number, since divided by 594 gives 54 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540599) by changing a digit.

540594 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7579 + ... + 7649.

2⁵⁴⁰⁵⁹⁴ is an apocalyptic number.

540594 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 540594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627264).

540594 is an abundant number, since it is smaller than the sum of its proper divisors (713934).

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

540594 is a wasteful number, since it uses less digits than its factorization.

540594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 540594 is about 735.2509775580. The cubic root of 540594 is about 81.4623761502.

The spelling of 540594 in words is "five hundred forty thousand, five hundred ninety-four".