539646243 has 8 divisors (see below), whose sum is σ = 723296256. Its totient is φ = 357880200.

The previous prime is 539646229. The next prime is 539646253. The reversal of 539646243 is 342646935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 539646243 - 2¹⁶ = 539580707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 539646195 and 539646204.

It is not an unprimeable number, because it can be changed into a prime (539646203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470323 + ... + 471468.

It is an arithmetic number, because the mean of its divisors is an integer number (90412032).

Almost surely, 2^539646243 is an apocalyptic number.

539646243 is a deficient number, since it is larger than the sum of its proper divisors (183650013).

539646243 is a wasteful number, since it uses less digits than its factorization.

539646243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941985.

The product of its digits is 466560, while the sum is 42.

The square root of 539646243 is about 23230.2871915093. The cubic root of 539646243 is about 814.1474231273.

The spelling of 539646243 in words is "five hundred thirty-nine million, six hundred forty-six thousand, two hundred forty-three".