540856 has 8 divisors (see below), whose sum is σ = 1014120. Its totient is φ = 270424.

The previous prime is 540851. The next prime is 540863. The reversal of 540856 is 658045.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33796 + ... + 33811.

It is an arithmetic number, because the mean of its divisors is an integer number (126765).

2⁵⁴⁰⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

540856 is a deficient number, since it is larger than the sum of its proper divisors (473264).

540856 is a wasteful number, since it uses less digits than its factorization.

540856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67613 (or 67609 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 540856 is about 735.4291264289. The cubic root of 540856 is about 81.4755343277.

The spelling of 540856 in words is "five hundred forty thousand, eight hundred fifty-six".