539484021 has 24 divisors (see below), whose sum is σ = 814769280. Its totient is φ = 343327776.

The previous prime is 539484007. The next prime is 539484031. The reversal of 539484021 is 120484935.

It is not a de Polignac number, because 539484021 - 2⁶ = 539483957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539484031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112960 + ... + 117638.

It is an arithmetic number, because the mean of its divisors is an integer number (33948720).

Almost surely, 2^539484021 is an apocalyptic number.

It is an amenable number.

539484021 is a deficient number, since it is larger than the sum of its proper divisors (275285259).

539484021 is a wasteful number, since it uses less digits than its factorization.

539484021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265 (or 5262 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 539484021 is about 23226.7953235051. The cubic root of 539484021 is about 814.0658351974.

The spelling of 539484021 in words is "five hundred thirty-nine million, four hundred eighty-four thousand, twenty-one".