540766 has 8 divisors (see below), whose sum is σ = 817920. Its totient is φ = 268128.

The previous prime is 540751. The next prime is 540769. The reversal of 540766 is 667045.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540769) by changing a digit.

540766 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (102240).

2⁵⁴⁰⁷⁶⁶ is an apocalyptic number.

540766 is a deficient number, since it is larger than the sum of its proper divisors (277154).

540766 is a wasteful number, since it uses less digits than its factorization.

540766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 540766 is about 735.3679351182. The cubic root of 540766 is about 81.4710148223.

The spelling of 540766 in words is "five hundred forty thousand, seven hundred sixty-six".