2016538 has 8 divisors (see below), whose sum is σ = 3074580. Its totient is φ = 991680.

The previous prime is 2016529. The next prime is 2016541. The reversal of 2016538 is 8356102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2007889 + 8649 = 1417^2 + 93^2 .

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, 8143 + ... + 8386.

2^2016538 is an apocalyptic number.

2016538 is a deficient number, since it is larger than the sum of its proper divisors (1058042).

2016538 is a wasteful number, since it uses less digits than its factorization.

2016538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16592.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2016538 is about 1420.0485907179. The cubic root of 2016538 is about 126.3384283924.

The spelling of 2016538 in words is "two million, sixteen thousand, five hundred thirty-eight".