540870 has 48 divisors (see below), whose sum is σ = 1436400. Its totient is φ = 130240.

The previous prime is 540863. The next prime is 540871. The reversal of 540870 is 78045.

540870 = T₁₃₂ + T₁₃₃ + ... + T₁₇₆.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 540870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540871) by changing a digit.

540870 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3556 + ... + 3704.

It is an arithmetic number, because the mean of its divisors is an integer number (29925).

2⁵⁴⁰⁸⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718200).

540870 is an abundant number, since it is smaller than the sum of its proper divisors (895530).

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

540870 is a wasteful number, since it uses less digits than its factorization.

540870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 540870 is about 735.4386446197. The cubic root of 540870 is about 81.4762373168.

The spelling of 540870 in words is "five hundred forty thousand, eight hundred seventy".