2002684 has 6 divisors (see below), whose sum is σ = 3504704. Its totient is φ = 1001340.

The previous prime is 2002681. The next prime is 2002723. The reversal of 2002684 is 4862002.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250332 + ... + 250339.

2^2002684 is an apocalyptic number.

It is an amenable number.

2002684 is a deficient number, since it is larger than the sum of its proper divisors (1502020).

2002684 is a wasteful number, since it uses less digits than its factorization.

2002684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500675 (or 500673 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2002684 is about 1415.1621815184. The cubic root of 2002684 is about 126.0484402646.

Adding to 2002684 its reverse (4862002), we get a palindrome (6864686).

The spelling of 2002684 in words is "two million, two thousand, six hundred eighty-four".