541816 has 32 divisors (see below), whose sum is σ = 1140480. Its totient is φ = 239200.

The previous prime is 541799. The next prime is 541817. The reversal of 541816 is 618145.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541817) by changing a digit.

541816 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4071 + ... + 4201.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2⁵⁴¹⁸¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 541816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570240).

541816 is an abundant number, since it is smaller than the sum of its proper divisors (598664).

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

541816 is a wasteful number, since it uses less digits than its factorization.

541816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 191 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 541816 is about 736.0815172248. The cubic root of 541816 is about 81.5237112185.

The spelling of 541816 in words is "five hundred forty-one thousand, eight hundred sixteen".