539918906 has 8 divisors (see below), whose sum is σ = 810037524. Its totient is φ = 269906400.

The previous prime is 539918891. The next prime is 539918917. The reversal of 539918906 is 609819935.

It can be written as a sum of positive squares in 2 ways, for example, as 537544225 + 2374681 = 23185^2 + 1541^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12275 + ... + 35078.

Almost surely, 2^539918906 is an apocalyptic number.

539918906 is a deficient number, since it is larger than the sum of its proper divisors (270118618).

539918906 is a wasteful number, since it uses less digits than its factorization.

539918906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53056.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 539918906 is about 23236.1551466674. The cubic root of 539918906 is about 814.2845194225.

The spelling of 539918906 in words is "five hundred thirty-nine million, nine hundred eighteen thousand, nine hundred six".