539418 has 24 divisors (see below), whose sum is σ = 1187424. Its totient is φ = 163240.

The previous prime is 539401. The next prime is 539447. The reversal of 539418 is 814935.

It is a d-powerful number, because it can be written as 5⁵ + 3⁵ + 4⁶ + 9⁶ + 1 + 8³ .

It is an unprimeable number.

539418 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 11 ways as a sum of consecutive naturals, for example, 355 + ... + 1097.

It is an arithmetic number, because the mean of its divisors is an integer number (49476).

2⁵³⁹⁴¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593712).

539418 is an abundant number, since it is smaller than the sum of its proper divisors (648006).

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

539418 is a wasteful number, since it uses less digits than its factorization.

539418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 759 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 539418 is about 734.4508152354. The cubic root of 539418 is about 81.4032625914.

The spelling of 539418 in words is "five hundred thirty-nine thousand, four hundred eighteen".