540706 has 8 divisors (see below), whose sum is σ = 826524. Its totient is φ = 265200.

The previous prime is 540703. The next prime is 540713. The reversal of 540706 is 607045.

It can be written as a sum of positive squares in 2 ways, for example, as 502681 + 38025 = 709^2 + 195^2 .

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

It is a super-4 number, since 4×540706⁴ (a number of 24 digits) contains 4444 as substring.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (540703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445 + ... + 2656.

2⁵⁴⁰⁷⁰⁶ is an apocalyptic number.

540706 is a deficient number, since it is larger than the sum of its proper divisors (285818).

540706 is a wasteful number, since it uses less digits than its factorization.

540706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 540706 is about 735.3271380821. The cubic root of 540706 is about 81.4680015401.

The spelling of 540706 in words is "five hundred forty thousand, seven hundred six".