540784 has 20 divisors (see below), whose sum is σ = 1064416. Its totient is φ = 266112.

The previous prime is 540781. The next prime is 540803. The reversal of 540784 is 487045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937 + ... + 1399.

2⁵⁴⁰⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

540784 is a deficient number, since it is larger than the sum of its proper divisors (523632).

540784 is a wasteful number, since it uses less digits than its factorization.

540784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 540784 is about 735.3801737877. The cubic root of 540784 is about 81.4719187635.

The spelling of 540784 in words is "five hundred forty thousand, seven hundred eighty-four".