540246 has 32 divisors (see below), whose sum is σ = 1301760. Its totient is φ = 146016.

The previous prime is 540233. The next prime is 540251. The reversal of 540246 is 642045.

It is a happy number.

540246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 540246.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460 + ... + 1136.

It is an arithmetic number, because the mean of its divisors is an integer number (40680).

2⁵⁴⁰²⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650880).

540246 is an abundant number, since it is smaller than the sum of its proper divisors (761514).

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

540246 is a wasteful number, since it uses less digits than its factorization.

540246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 540246 is about 735.0142855755. The cubic root of 540246 is about 81.4448923008. Note that the first 3 decimals are identical.

Subtracting from 540246 its sum of digits (21), we obtain a square (540225 = 735²).

The spelling of 540246 in words is "five hundred forty thousand, two hundred forty-six".