540868 has 12 divisors (see below), whose sum is σ = 987840. Its totient is φ = 258632.

The previous prime is 540863. The next prime is 540871. The reversal of 540868 is 868045.

It is not an unprimeable number, because it can be changed into a prime (540863) 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, 2848 + ... + 3031.

It is an arithmetic number, because the mean of its divisors is an integer number (82320).

2⁵⁴⁰⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

540868 is a deficient number, since it is larger than the sum of its proper divisors (446972).

540868 is a wasteful number, since it uses less digits than its factorization.

540868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906 (or 5904 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 540868 is about 735.4372848857. The cubic root of 540868 is about 81.4761368905.

It can be divided in two parts, 5408 and 68, that added together give a square (5476 = 74²).

The spelling of 540868 in words is "five hundred forty thousand, eight hundred sixty-eight".