540799 has 8 divisors (see below), whose sum is σ = 645120. Its totient is φ = 443256.

The previous prime is 540781. The next prime is 540803. The reversal of 540799 is 997045.

540799 = 190² + 191² + ... + 203².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540799 - 2¹¹ = 538751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1519 + ... + 1840.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2⁵⁴⁰⁷⁹⁹ is an apocalyptic number.

540799 is a deficient number, since it is larger than the sum of its proper divisors (104321).

540799 is a wasteful number, since it uses less digits than its factorization.

540799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 540799 is about 735.3903725233. The cubic root of 540799 is about 81.4726720325.

It can be divided in two parts, 5 and 40799, that added together give a palindrome (40804).

The spelling of 540799 in words is "five hundred forty thousand, seven hundred ninety-nine".