539843922 has 48 divisors (see below), whose sum is σ = 1237223520. Its totient is φ = 169646400.

The previous prime is 539843921. The next prime is 539843929. The reversal of 539843922 is 229348935.

It is a happy number.

539843922 is a `hidden beast` number, since 539 + 84 + 39 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (539843921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68422 + ... + 75902.

It is an arithmetic number, because the mean of its divisors is an integer number (25775490).

Almost surely, 2^539843922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539843922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618611760).

539843922 is an abundant number, since it is smaller than the sum of its proper divisors (697379598).

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

539843922 is a wasteful number, since it uses less digits than its factorization.

539843922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7719 (or 7716 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 539843922 is about 23234.5415706874. The cubic root of 539843922 is about 814.2468217013.

The spelling of 539843922 in words is "five hundred thirty-nine million, eight hundred forty-three thousand, nine hundred twenty-two".