540939 has 8 divisors (see below), whose sum is σ = 824320. Its totient is φ = 309096.

The previous prime is 540907. The next prime is 540961. The reversal of 540939 is 939045.

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

It is not a de Polignac number, because 540939 - 2⁵ = 540907 is a prime.

540939 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (540989) 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, 12859 + ... + 12900.

It is an arithmetic number, because the mean of its divisors is an integer number (103040).

2⁵⁴⁰⁹³⁹ is an apocalyptic number.

540939 is a deficient number, since it is larger than the sum of its proper divisors (283381).

540939 is a wasteful number, since it uses less digits than its factorization.

540939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25769.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 540939 is about 735.4855539030. The cubic root of 540939 is about 81.4797018717.

The spelling of 540939 in words is "five hundred forty thousand, nine hundred thirty-nine".