541986 has 16 divisors (see below), whose sum is σ = 1095744.
Its totient is φ = 178704.
The previous prime is 541967. The next prime is 541987. The reversal of 541986 is 689145.
It is not an unprimeable number, because it can be changed into a prime (541987) by changing a digit.
541986 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 7 ways as a sum of consecutive naturals, for example, 180 + ... + 1056.
It is an arithmetic number, because the mean of its divisors is an integer number (68484).
2541986 is an apocalyptic number.
541986 is an abundant number, since it is smaller than the sum of its proper divisors (553758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
541986 is a wasteful number, since it uses less digits than its factorization.
541986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 985.
The product of its digits is 8640, while the sum is 33.
The square root of 541986 is about 736.1969845089.
The cubic root of 541986 is about 81.5322366107.
The spelling of 541986 in words is "five hundred forty-one thousand, nine hundred eighty-six".