540208 has 20 divisors (see below), whose sum is σ = 1102360. Its totient is φ = 255744.

The previous prime is 540203. The next prime is 540217. The reversal of 540208 is 802045.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (540203) by changing a digit.

540208 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 3 ways as a sum of consecutive naturals, for example, 585 + ... + 1192.

It is an arithmetic number, because the mean of its divisors is an integer number (55118).

2⁵⁴⁰²⁰⁸ is an apocalyptic number.

It is an amenable number.

540208 is an abundant number, since it is smaller than the sum of its proper divisors (562152).

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

540208 is a wasteful number, since it uses less digits than its factorization.

540208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804 (or 1798 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 540208 is about 734.9884352832. The cubic root of 540208 is about 81.4429826902.

The spelling of 540208 in words is "five hundred forty thousand, two hundred eight".