540806 has 8 divisors (see below), whose sum is σ = 927120. Its totient is φ = 231768.

The previous prime is 540803. The next prime is 540809. The reversal of 540806 is 608045.

It is an interprime number because it is at equal distance from previous prime (540803) and next prime (540809).

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

It is a super-2 number, since 2×540806² = 584942259272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540803) 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, 19301 + ... + 19328.

It is an arithmetic number, because the mean of its divisors is an integer number (115890).

2⁵⁴⁰⁸⁰⁶ is an apocalyptic number.

540806 is a deficient number, since it is larger than the sum of its proper divisors (386314).

540806 is a wasteful number, since it uses less digits than its factorization.

540806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38638.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 540806 is about 735.3951318849. The cubic root of 540806 is about 81.4730235533.

The spelling of 540806 in words is "five hundred forty thousand, eight hundred six".