538505498 has 8 divisors (see below), whose sum is σ = 855273492. Its totient is φ = 253414336.

The previous prime is 538505459. The next prime is 538505503. The reversal of 538505498 is 894505835.

It can be written as a sum of positive squares in 2 ways, for example, as 456548689 + 81956809 = 21367^2 + 9053^2 .

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, 7919165 + ... + 7919232.

Almost surely, 2^538505498 is an apocalyptic number.

538505498 is a deficient number, since it is larger than the sum of its proper divisors (316767994).

538505498 is a wasteful number, since it uses less digits than its factorization.

538505498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15838416.

The product of its (nonzero) digits is 864000, while the sum is 47.

The square root of 538505498 is about 23205.7212342129. The cubic root of 538505498 is about 813.5733496525.

The spelling of 538505498 in words is "five hundred thirty-eight million, five hundred five thousand, four hundred ninety-eight".