540382 has 4 divisors (see below), whose sum is σ = 810576. Its totient is φ = 270190.

The previous prime is 540377. The next prime is 540383. The reversal of 540382 is 283045.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540383) by changing a digit.

540382 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 as a sum of consecutive naturals, namely, 135094 + ... + 135097.

It is an arithmetic number, because the mean of its divisors is an integer number (202644).

2⁵⁴⁰³⁸² is an apocalyptic number.

540382 is a deficient number, since it is larger than the sum of its proper divisors (270194).

540382 is a wasteful number, since it uses less digits than its factorization.

540382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270193.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 540382 is about 735.1067949625. The cubic root of 540382 is about 81.4517259630.

The spelling of 540382 in words is "five hundred forty thousand, three hundred eighty-two".