540785 has 8 divisors (see below), whose sum is σ = 741696. Its totient is φ = 370800.

The previous prime is 540781. The next prime is 540803. The reversal of 540785 is 587045.

540785 = T₁₅₈ + T₁₅₉ + ... + T₁₉₂.

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

It is not a de Polignac number, because 540785 - 2² = 540781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540781) 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, 7691 + ... + 7760.

It is an arithmetic number, because the mean of its divisors is an integer number (92712).

2⁵⁴⁰⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

540785 is a deficient number, since it is larger than the sum of its proper divisors (200911).

540785 is a wasteful number, since it uses less digits than its factorization.

540785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15463.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 540785 is about 735.3808537078. The cubic root of 540785 is about 81.4719689819.

The spelling of 540785 in words is "five hundred forty thousand, seven hundred eighty-five".