2003602 has 4 divisors (see below), whose sum is σ = 3005406. Its totient is φ = 1001800.

The previous prime is 2003597. The next prime is 2003611. The reversal of 2003602 is 2063002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1792921 + 210681 = 1339^2 + 459^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500899 + ... + 500902.

2^2003602 is an apocalyptic number.

2003602 is a deficient number, since it is larger than the sum of its proper divisors (1001804).

2003602 is a wasteful number, since it uses less digits than its factorization.

2003602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001803.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2003602 is about 1415.4864888087. The cubic root of 2003602 is about 126.0676968877.

Adding to 2003602 its reverse (2063002), we get a palindrome (4066604).

The spelling of 2003602 in words is "two million, three thousand, six hundred two".