2002036 has 6 divisors (see below), whose sum is σ = 3503570. Its totient is φ = 1001016.

The previous prime is 2002019. The next prime is 2002061. The reversal of 2002036 is 6302002.

It can be written as a sum of positive squares in only one way, i.e., 1454436 + 547600 = 1206^2 + 740^2 .

It is an Ulam number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 250251 + ... + 250258.

2^2002036 is an apocalyptic number.

It is an amenable number.

2002036 is a deficient number, since it is larger than the sum of its proper divisors (1501534).

2002036 is a wasteful number, since it uses less digits than its factorization.

2002036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500513 (or 500511 counting only the distinct ones).

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

The square root of 2002036 is about 1414.9332139716. The cubic root of 2002036 is about 126.0348438110.

Adding to 2002036 its reverse (6302002), we get a palindrome (8304038).

The spelling of 2002036 in words is "two million, two thousand, thirty-six", and thus it is an eban number.