2003538 has 8 divisors (see below), whose sum is σ = 4007088. Its totient is φ = 667844.

The previous prime is 2003509. The next prime is 2003557. The reversal of 2003538 is 8353002.

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

2003538 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166956 + ... + 166967.

It is an arithmetic number, because the mean of its divisors is an integer number (500886).

2^2003538 is an apocalyptic number.

2003538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003538 is a wasteful number, since it uses less digits than its factorization.

2003538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333928.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2003538 is about 1415.4638815597. The cubic root of 2003538 is about 126.0663545688.

The spelling of 2003538 in words is "two million, three thousand, five hundred thirty-eight".