540834 has 32 divisors (see below), whose sum is σ = 1259520. Its totient is φ = 151632.

The previous prime is 540823. The next prime is 540851. The reversal of 540834 is 438045.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3237 + ... + 3399.

It is an arithmetic number, because the mean of its divisors is an integer number (39360).

2⁵⁴⁰⁸³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629760).

540834 is an abundant number, since it is smaller than the sum of its proper divisors (718686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540834 is a wasteful number, since it uses less digits than its factorization.

540834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 540834 is about 735.4141690231. The cubic root of 540834 is about 81.4744296060.

Adding to 540834 its reverse (438045), we get a palindrome (978879).

The spelling of 540834 in words is "five hundred forty thousand, eight hundred thirty-four".