540786 has 16 divisors (see below), whose sum is σ = 1089504. Its totient is φ = 178944.

The previous prime is 540781. The next prime is 540803. The reversal of 540786 is 687045.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 540786.

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

540786 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925 + ... + 1391.

It is an arithmetic number, because the mean of its divisors is an integer number (68094).

2⁵⁴⁰⁷⁸⁶ is an apocalyptic number.

540786 is an abundant number, since it is smaller than the sum of its proper divisors (548718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540786 is a wasteful number, since it uses less digits than its factorization.

540786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 540786 is about 735.3815336273. The cubic root of 540786 is about 81.4720192002.

It can be divided in two parts, 540 and 786, that added together give a triangular number (1326 = T₅₁).

The spelling of 540786 in words is "five hundred forty thousand, seven hundred eighty-six".